True or false: the rocks in the Precambrian section are in the same orientation they were in when they first formed. Group of answer choices True False
Answers
Answer:
False
Explanation:
Related Questions
The island of hawaii is the youngest, and the islands get progressively older to the northwest. Plate tectonic theory explains this as:.
Answers
What specific climate events impacted human migration?
Answers
Answer: This may help you
https://ay.live/e62Y3
Explanation:
A student made a model of a river in a sandbox. A pile of sand represents soil and bits of rock in the riverbed. Water pouring from a hose represents river water as it flows downhill Which two characteristics are limitations of the student's model? A. The model soil is nothing like the soil found in a real riverbed. B. The model is much smaller than a real river. C. The model river water flows downhill instead of uphill like real river water does. D. The model is missing plants, fish, and other details found in a real river.
Answers
Answer:
A. The model soil is nothing like the soil found in a real riverbed.
D. The model is missing plants, fish, and other details found in a real river.
Explanation:
The use of the sand by the student to represent his or her model river's soils is quite different from what is obtainable in a normal river. Normal river has rocks and stones not sands. Also, the model river is missing other aquatic animals like fishes, plants to bring it closer to same resemblance with normal real river.
Answer: B and D
Explanation: Branliest please.
is niagara falls which is an example of nickpoints migrate downstream.
Answers
Yes, Niagara Falls is an example of a nickpoint that is slowly migrating downstream. A nickpoint is a geological term used to describe a change in the gradient or elevation of a river or stream caused by erosion.
The process of erosion at Niagara Falls began about 12,000 years ago when the last Ice Age ended. The melting ice created massive amounts of water that flowed into the Niagara River, causing it to cut a deep gorge into the surrounding rock. As the river flowed over the edge of the gorge, it created the Niagara Falls we see today.
Over time, the constant flow of water over the falls has eroded the rock below and caused the falls to migrate upstream. In fact, Niagara Falls has moved back approximately seven miles since it was first formed. This migration is caused by the constant erosion of the rock beneath the falls, which causes the waterfall to retreat upstream.
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Carefully examine the common sedimentary rocks shown in Figure 3. Use these photos and the preceding discussion to answer the following questions.
a) What characteristic can be used to distinguish Sample A (conglomerate) from Sample B (breccia)?
b) Samples C, O, P, and Q are all primarily composed of quartz. What property of quartz would assist you in identifying these samples? c) Which of these terms most accurately describes the texture of Sample N-clastic or
nonclastic? d) Sample H is a microcrystalline rock composed of calcite, and Sample O is a microcrystalline rock composed of quartz. What test(s) could be used to figure out which is which?
Answers
a) Roundness distinguishes conglomerate (well-rounded clasts) from breccia (angular clasts).
b) Quartz's hardness helps identify samples with scratch resistance similar to quartz.
c) Sample N's clastic texture indicates it is composed of compacted and cemented clasts.
d) Acid reaction test and polarized light microscopy differentiate calcite (effervesces) from quartz (no reaction, no birefringence).
a) Roundness can be used to distinguish Sample A (conglomerate) from Sample B (breccia). Conglomerate exhibits well-rounded clasts, indicating that the sediment particles have undergone significant transportation and abrasion. In contrast, breccia contains angular clasts, suggesting that the sediment particles have experienced less transport and have been deposited closer to their source.
b) The hardness of quartz would assist in identifying Samples C, O, P, and Q, as quartz is one of the hardest minerals on Earth. By conducting a scratch test with a mineral hardness testing kit, one can assess whether the samples exhibit scratch resistance similar to that of quartz. If the samples can scratch glass and other common minerals, it would indicate the presence of quartz.
c) The texture of Sample N can be described as clastic. Clastic textures are characterized by the presence of discrete, individual particles (clasts) that are cemented together. Sample N exhibits this characteristic, indicating that it is composed of fragments of pre-existing rocks or minerals that have been compacted and cemented together.
d) To differentiate between Sample H (microcrystalline rock composed of calcite) and Sample O (microcrystalline rock composed of quartz), several tests can be employed. Acid reaction test can be conducted by placing a drop of dilute hydrochloric acid on the samples. Calcite, being a carbonate mineral, will effervesce or produce bubbles when in contact with acid, while quartz will not react. Polarized light microscopy can also be utilized to observe the optical properties of the minerals. Calcite exhibits strong birefringence, whereas quartz displays no birefringence under polarized light.
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200 people took part in a study involving a new headache medicine. After one week, the
subjects were asked if they had a headache in the past week. According to the data in the
two-way table, what fraction of the people who were given the placebo did not have a
headache?
Given
medicine
Given
placebo
20
Total
30
50
Headache
No headache
120
30
150
Total
150
50
200
Answers
Answer:
3/5
Explanation:
30 out of 50 ppl had no headache taking placebo
what are the coordinates for the white house in degrees, minutes and seconds
Answers
The White House, located in Washington D.C., has the coordinates of 38 degrees 53 minutes 51.6 seconds North latitude and 77 degrees 2 minutes 11.4 seconds West longitude.
The coordinates are commonly expressed in degrees, minutes, and seconds, which is a way of measuring latitude and longitude on Earth's surface. The latitude refers to how far north or south a location is from the equator, while longitude measures how far east or west a location is from the Prime Meridian in Greenwich, England. The coordinates for the White House are important for mapping and navigation purposes, and they can also be used to locate the White House on various digital and physical maps.
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Which sentence best describes the main idea of this paragraph?
July 20, 1969 was an exciting day. This was the day the first astronauts stepped
onto the moon. As the Apollo rocket circled the moon, a craft called the Eagle
landed. The world watched on TV as the doors opened. Astronaut Neil
Armstrong stepped down the ladder onto the dusty surface of the moon. "That's
one small step for man; one giant leap for mankind," he said. With these famous
words, the first man took the first steps on the surface of the moon..
A
The surface of the moon is dusty.
B
The Apollo rocket circled the moon.
с
Armstrong became the first man on the moon in 1969.
D
The world likes to watch astronauts on television.
Answers
Answer:
C
Explanation:
It explains the article the best becuase the article talks about when Neil Armstrong first stepped on the moon.
Answer:
C: Armstrong became the first man on moon
I hope this helps :)
:⊂ help meh please...
Answers
what analytical tool is available to measure distances to close by galaxies in the local group.
Answers
The analytical tool that is commonly used to measure distances to nearby galaxies in the Local Group is called the "Standard Candle Method," specifically utilizing Cepheid variable stars and Type Ia supernovae as standard candles.
Here's a step-by-step explanation of the method:
1. Identify the standard candles: Choose either Cepheid variable stars or Type Ia supernovae, which have known intrinsic brightness (luminosity) that can be used to estimate their distance.
2. Observe the standard candles: Using telescopes, observe and collect data on the apparent brightness (magnitude) of the chosen standard candles in the target galaxy.
3. Determine the period-luminosity relationship: For Cepheid variable stars, plot their observed period of variability against their luminosity. This relationship is known as the Leavitt Law.
4. Calculate the distance: Compare the apparent brightness of the standard candles to their known intrinsic brightness. By applying the distance modulus formula, you can calculate the distance to the target galaxy.
Distance modulus = (Apparent Magnitude - Absolute Magnitude + 5) / 5
5. Verify the results: To increase accuracy, it is recommended to use multiple standard candles in a target galaxy or apply additional methods, such as parallax measurements, to cross-check the calculated distances.
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examine this map of the continent of africa. At which latitudes
is the atmostphere rising? at which latitudes is it sinking? how
does this atmostpheric circulation influence the contient's
climates
Answers
The atmosphere is rising at the equator and sinking at the subtropical latitudes.
The atmospheric circulation pattern influencing the continent's climate is known as the Hadley Cell. At the equator, solar radiation is strongest, causing air to heat up and rise, creating a low-pressure zone. This ascending air forms a band of atmospheric rising motion known as the Intertropical Convergence Zone (ITCZ). As the air rises, it cools and releases moisture, leading to frequent rainfall and lush tropical climates in equatorial regions.
At higher latitudes near 30 degrees north and south, the air that rose at the equator starts to descend. This sinking motion creates high-pressure zones known as subtropical highs, such as the Sahara High in Africa. As the air descends, it becomes warmer, leading to drier and more arid conditions in the subtropical regions.
The combination of rising air at the equator and sinking air at the subtropics sets up a global atmospheric circulation pattern that influences Africa's climates.
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Identify the two layers of Earth where seismic S waves do not travel.
Options: (A) Upper mantle
(B) Lower mantle
(C) Outer core
(D) Inner core
Answers
Seismic S waves do not travel through the outer core and the inner core of the Earth. Option D is correct.
The seismic S waves are a type of waves that are transverse waves and are responsible for the shaking or ground motion caused by earthquakes. These waves have a particular characteristic of not passing through liquids or gases. The name ‘S’ waves stands for ‘secondary waves’ as they are the second type of waves to be detected by seismographs.
The seismic S waves do not travel through the outer core and the inner core of the Earth. This is because the outer core is made up of molten iron and nickel which is in a liquid state. Since the S waves are transverse waves, they need solid materials for their propagation.
Since the outer core is in a liquid state, the S waves cannot travel through it. The inner core of the Earth is made up of a solid metal core and is too dense for the S waves to travel through it. Thus, the S waves only pass through the solid parts of the Earth such as the crust and the mantle.Answer: The correct option is C) Outer core and D) Inner core.
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Renata precisava medir altura de uma árvore. Para isso, colocou um pedaço de cano enterrado no chão, formando um ângulo de 90º com o solo. Depois mediu os comprimentos das sombras da árvore e do cano, Obtendo as medidas indicadas na figura abaixo. Qual é a medida aproximada da altura da árvore? * 7,5 metros 8 metros 9 metros 7 metros
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Answer:
A altura aproximada da árvore é 7,9 metros.
Esta questão está relacionada com a proporcionalidade entre variáveis. A proporção é um valor referente a razão de dois números. Por isso, a proporção está atrelada a fração, onde temos um numerador e um denominador. Desse modo, temos uma relação de equivalência entre dois valores.
Nesse caso, vamos resolver o problema por meio da semelhança entre triângulos. A semelhança entre triângulos ocorre quando existem dois ou mais triângulos com mesmos ângulos internos. Desse modo, existe uma proporção entre suas medidas, que devem ser equivalentes sobre uma determinada razão. Portanto:
In order for prokaryotes to exist continuously on Earth, what geological changes or events had to have occurred first? Choose all that apply. a. Heavy Bombardment must end first b. Moon formation must have already occurred c. Continents must have finished all collisions d. Free Oxygen must have come together to form an Orone layer c. Earth must have cooled and solidified f. Eukarayotes must already be present as an elergy source
Answers
Prokaryotes are unicellular organisms that do not have a true nucleus. They are considered the simplest and oldest forms of life that have existed on Earth.
In order for prokaryotes to exist continuously on Earth, the following geological changes or events had to have occurred first: Heavy Bombardment must end first
Moon formation must have already occurred Free Oxygen must have come together to form an Orone layer Earth must have cooled and solidified. Let's take a look at each of these in more detail:
Heavy Bombardment must end first: Heavy Bombardment is the period in the early history of the Earth where it was constantly bombarded by meteorites and other debris from space. This period ended about 4 billion years ago. The bombardment would have made it difficult for life to exist, so it had to end before prokaryotes could evolve.
Moon formation must have already occurred: Moon formation is thought to have occurred about 4.5 billion years ago when a Mars-sized object collided with Earth. The collision would have caused significant changes to the Earth's surface, including the formation of the moon. The moon has played a role in stabilizing the Earth's rotation and providing a stable climate, which is important for the survival of prokaryotes.
Free Oxygen must have come together to form an Orone layer: Prokaryotes are thought to have evolved about 3.5 billion years ago. However, it wasn't until about 2.5 billion years ago that free oxygen began to accumulate in the atmosphere due to the evolution of photosynthesis in prokaryotes. The accumulation of oxygen eventually led to the formation of an ozone layer, which protects life on Earth from harmful UV radiation.
Earth must have cooled and solidified: Prokaryotes could not exist on a planet that is too hot or too cold. It is thought that the Earth's surface was too hot for life to exist during the first few hundred million years after it formed. However, as the Earth cooled and solidified, conditions became more favorable for life to evolve. This would have taken several hundred million years.
Eukaryotes must already be present as an energy source: Eukaryotes did not evolve until about 1.5 billion years ago. Prokaryotes were able to exist for billions of years without eukaryotes, so they are not necessary for their existence. However, eukaryotes have played an important role in the evolution of life on Earth as a source of energy through photosynthesis and as a food source for other organisms. Therefore, this statement is incorrect.
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what is the meaning of development?
Answers
Explanation:
easiest 5 points u welcome
What is the layers of rock from oldest to youngest?
Answers
Answer:
The layers of rock in the Earth's crust are generally arranged in order from oldest to youngest, with the oldest rocks on the bottom and the youngest on top. This is due to the fact that, over time, new layers of sediment are deposited on top of older layers, forming a layered or stratified structure.
The specific layers of rock in the Earth's crust can vary depending on the location, but in general, the layers from oldest to youngest are:
The crust: The outermost layer of the Earth, consisting of solid rock. The crust is divided into two main types: the continental crust, which makes up the continents, and the oceanic crust, which makes up the floor of the oceans.
The mantle: The layer beneath the crust, consisting of molten rock (magma) and solid rock. The mantle is divided into two main regions: the upper mantle, which is solid, and the lower mantle, which is partially molten.
The core: The innermost layer of the Earth, consisting of a solid inner core and a liquid outer core. The core is made up of iron and nickel, and is responsible for the Earth's magnetic field.
It is important to note that the layers of rock in the Earth's crust are not always clearly defined, and there is often overlap and mixing between different layers. Additionally, the ages of different layers of rock can vary significantly within a particular region, as different layers can be formed at different times and under different conditions.
You go for a hike across an outcropping of sandstone and you see large footprints in the sandstone. You have just found ________.
Answers
What are the most abundant animals found in the pelagic zone? see concept 52.3 (page)
Answers
Zooplankton is the most abundant animal found in the pelagic zone.
The bottom of the coast has nothing to do with the pelagic zone, which is a region of a lake, river, or ocean. Throughout their entire lives, the species that live in the pelagic zone never come in contact with the shore or the ocean floor. Nutrients are insufficient in the pelagic zone.
All water in the ocean or open sea that is not immediately adjacent to the shore or the ocean floor is considered to be in the pelagic zone. In contrast, the demersal zone is made up of water that is in close proximity to (and has a significant impact on) the coast or the ocean floor.
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which of the following cannot be used to decrease a product or good’s harmful effects to the environment?
Answers
One thing that cannot be used to decrease a product or good's harmful effects to the environment is pollution.Pollution is the wrong way to decrease a product or good’s harmful effects to the environment. Pollution refers to the release of pollutants into the environment, such as air pollution, water pollution, and soil pollution. Pollution may have a variety of harmful effects on the environment, including the death of plants and animals and the degradation of water and air quality.The solution to the problem of harmful environmental effects from products or goods is to use eco-friendly materials, reduce energy consumption, and recycle, among other things. These measures will aid in the preservation of the environment and decrease pollution. So, from the given options "Pollution" cannot be used to decrease a product or good’s harmful effects to the environment.
The options that cannot be used to decrease a product or good’s harmful effects to the environment is subsidies.
What is subsidies?Large-scale government intervention in the form of subsidies, many of which are in that they harm economies and environments, is a major source of support for the global economy. This study provides a global perspective on subsidies with a particular emphasis on the scope, root causes, and effects of subsidies.
Subsidies are an option that cannot be utilized to reduce an item's negative environmental effects.
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missing options;
Regulation
Pollution taxing
Cap and trade
Full cost pricing
subsidies
Help please :))
And tyyyy
Answers
Answer:
1. 3rd
2. Sanora
3. Weathering
4. Mining, because Africa has lots of rich mineral such as diamonds and oil that they sell to other countries.
5. don't know this one sorry
6. Nile
7. because of the weather it made it difficult for people to acclimate and evolve more technology wise.
8. Fresh water
9. When France took over some parts of Africa and enslaved their country them
the antonine wall, the northernmost boundary of the roman empire, is located in what country?
Answers
Answer:
Scotland
Explanation:
One of the Roman Emperors, Emperor Hadrian, wanted to visit England to continue his conquest to growing the Roman Empire back in 122 AD. In order for Hadrian to visit England, a wall needed to be built near the northernmost area of the Roman Empire.
deposit of blanks in cold climates are evidence of continental drift show that anitartica was once near
Answers
Deposit of Coal in cold climates are evidence of continental drift show that Antarctica was once near
How do coal field is an example of continental drift ?
Coal deposits only mean that Antarctica could have been located on a part of the Earth that was once home to a great deal of life. This is because Antarctica once experienced a tropical climate. , leading to the assumption that it may have been close to the equator.Evidence from fossils, glaciers, and complementary coastlines help show how the plates once came together. Fossils tell us when and where plants and animals existed. The distribution of this fossil has led to the theory that the southern continent was once merged into a supercontinent called Gondwana.Coal beds in Antarctica show that Antarctica was once much warmer and contained large amounts of vegetation.Learn more about Continental Drift from the link below
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HELPP THIS IS DUE IN 3 minutes
which property can you observe by just looking at a mineral?
Your answer:
A.luster
B. streak
C. hardness
D. cleavage
Answers
Answer:
hardness, luster, color, streak, specific gravity, cleavage, fracture, and tenacity.
Explanation:
B. Luster
Explain brahmaputra river system
Answers
Answer:
Brahmaputra river system
Explanation:
Brahmaputra river is snow-fed from Kailash ranges of trans-Himalayan and originated in southern Tibet. From Tibet, it reaches India to the states like Arunachal Pradesh and Assam. From Assam, it flows towards Bangladesh and ultimately reaches its final destination in the Bay of Bengal.
A ABC is an isosceles triangle. AB is the base with length 4x+4. BC = 8x+ 3 and CA = 7x+8.
7+$
Sr. 3
с
Find the length of AB-
Answers
1/2 a*b sin(C)
1. Which is an
example of a source that gives firsthand information about an event?
Answers
The one that is an example of a source that gives firsthand information about an event is option A. Article.
Oral histories, newspaper or journal articles, and memoirs or autobiographies are examples of primary sources created after the event or time in question but offering first-hand accounts.
Primary data is a type of data that is collected by researchers directly from main sources through interviews, surveys, experiments, etc. Primary Sources are immediate, first-hand accounts of a topic, from people who had a direct connection with it.
What are the examples of primary sources of data?Some examples of primary source formats include:
archives and manuscript materialphotographs, audio recordings, video recordings, filmsjournals, letters and diariesspeechesscrapbookspublished books, newspapers and magazine clippings published at the timeTherefore, the correct answer is as given above
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The complete question goes thus:
Which is an example of a source that gives firsthand information about an event?
A. Article
B. Letter
C. Website
Cute Features Caused By Gene Mutations Chart
Define the term mutation- _A mutation occurs when a DNA gene is damaged or change.______________________________________________ ______________________________________________________________________
Trait
Description
Cause
Dimples
Multicolored Eyes
Freckles
Cleft Chin
Answers
Answer:
I'm sorry this isn't the answer, but I just want you to know that you are incredible and that I love you for you! You are special to everyone you meet, and should not change who you are. I know your life may be tough, but you are strong and can get through it!
Explanation:
in terms of preferred source water, surface waters are highest quality and require less treatment, and as such are preferred over groundwater. true false
Answers
Water that is found underground in saturated regions beneath the surface of the earth is known as groundwater. The water table is the term for the saturated zone's upper surface. Contrary to popular perception, underground rivers are not created by groundwater.
Water that is found in soil, rock, and rock formation fissures below the surface of the Earth is known as groundwater. Groundwater makes up around 30% of all the freshwater that is readily available worldwide. When it can produce a sufficient amount of water, a unit of rock or an unconsolidated deposit is referred to be an aquifer.
The term "groundwater" refers to precipitation that has seeped into the soil below the surface and accumulated in voids underground. Aquifers can be divided into two categories: confined and unconfined.
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state whether or not coastal development should be given a higher priority than coastal conservation. (5 points)
Answers
Answer:
Coastal development causes loss of semi-natural and natural land, destruction and fragmentation of coastal habitats, and is also related to increased erosion levels and increased discharge of diffuse pollution and marine litter to the marine environment.
Which one is false? The average employee in Tokyo commutes(travels) 90 mins to work No car can be registered in Tokyo without proof that the owner has a place to park it. The Japanese train and subway system is so advanced that the Japanese buy fewer cars today than in 1960
Answers
Answer:
The Japanese train and subway system is so advanced that the Japanese buy fewer cars today than in 1960
Explanation:
The Tokyo subway is a part of the rapid transit system that includes Tokyo Metro and the Toei Subway which is in Greater Tokyo area of Japan.
The following statement is false:
The Japanese train and subway system is so advanced that the Japanese buy fewer cars today than in 1960