According to geological time scales, events in Earth's history have been "calendarized". In descending order of time duration, all time have been divided into predetermined abstract time units which is known as eons, eras, periods, epochs, and ages.
What does geological timescale mean?The timeline created from the Earth's geological record is known as the geological timescale (GTS). It is a method of chronological dating using chrono stratigraphy and geochronology that associates strata with time; the scientific branch of geology aimed at determining the age of rocks. A geological timescale is a set of stratigraphic-based measurements of time. The time scale consists of eons, eras, epochs, and ages, with eons indicating the longest duration and ages the shortest. In descending order of duration, divides all time into named abstract units of time called eons, eras, periods, epochs, and ages.
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cyclones occur over the oceans of equatorial region why give reason ?
Answer:
the ocean is warm there which is one of the key ingredients for a cyclone to form
Explanation:
Which groups comprise the largest percentage of Mexico’s population?
Answer:
mestizo Native American Spanish
When the government attempts to reduce climate change by establishing a minimum level of fuel efficiency on new cars, it is using a(n):
When the government attempts to reduce climate change by establishing a minimum level of fuel efficiency on new cars, it is using a regulatory approach.
A regulatory approach is one of the public policy strategies that government employs to control, protect and promote social welfare.The minimum level of fuel efficiency on new cars is established by the government as a means of reducing climate change. This is done by implementing fuel economy regulations for new vehicles that limit the amount of carbon emissions from vehicles and conserve fuel usage.
The fuel efficiency standards are intended to reduce vehicle pollution, protect public health, and enhance energy security by minimizing the amount of fuel consumed by vehicles and by promoting fuel-efficient vehicle design and technology.
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The meteorologist says that it is hot outside. The weather characteristic being described is __________. A. air pressure B. humidity C. precipitation D. temperature
Answer:
The correct answer is - D. temperature.
When a meteorologist says that it is hot or cold, then they are describing the temperature.
i hope this helps
Answer:
C.
Explanation:
Explain how the radioactive decay of a parent element into a daughter product allows for absolute dating of a geologic material.
Radioactive decay is a process where unstable atomic nuclei break down into more stable nuclei. During this process, parent elements decay into daughter products at a predictable rate, known as a half-life. By measuring the amount of parent and daughter isotopes present in a sample, scientists can calculate the age of the material.
This method is called absolute dating, and it allows for the determination of the age of rocks, minerals, and fossils. The precision of this method depends on the accuracy of the measurements and the half-life of the parent element. For example, carbon-14 dating is used to date materials that were once living, while uranium-lead dating is used for very old rocks.
By using multiple dating methods, scientists can cross-check and verify their results, leading to a better understanding of Earth's history and evolution.
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Endogenic( Earth's Internal Heat) and Exogenic processes: Complete the following concept map below by supplying the missing words.
Answer:
Weathering, mass wasting, erosion, and deposition--Endogenic process
Volcanic, tectonic, and isostatic processes---Endogenic process
Explanation:
Weathering, mass wasting, erosion, and deposition are the main exogenic processes that occurs outside the earth surface where as Endogenic process consist of volcanic, tectonic, and isostatic processes that occurs inside the earth. exogenic processes are responsible for the formation of different types of landscape while endogenic processes are responsible for the formation of most important mineral resources.
Europe’s geography differs from many other countries in that -
Answer: in that what
Explanation: oh wait nevermind my bad
Imagine that every year, more and more water parks are being built in cities in the state of Nevada. No other state in America is experiencing this growth in the number of water parks. Which of the following questions would a geographer ask to try to understand this growth in water parks?
A. What color swimsuit is most popular among children in Nevada?
B. Where do people in Nevada shop for water toys?
C. Why do water parks only allow two people down a water slide at a time?
D. What is special about Nevada that explains the rising number of water parks?
Answer:
D)
Explanation:
Because if they find out what is special about Nevada they would find out why the growth is happening only in that state.
The radius of the circle above is 5 in. What is the circumference of the circle? (Use = 3.14.)
Answer:
31.4
Explanation:
diameter of a circle=2r
d=2×5
d=10cm
therefore, diameter of the circle is 10cm
Circumference of a circle is also known as Perimeter of a circle
thus, Circumference of the circle=πd or 2πr
but here we'll use πd
so, circumference=3.14×10
=31.4cm
Sketch or describe the various textures displayed by igneous rocks.
the texture of an igneous rock can provide clues about its origin and the conditions under which it was formed.Igneous rocks can display a wide range of textures, depending on how they were formed.
Some common textures include:
1. Glassy: This texture is formed when magma cools so quickly that no crystals have time to form. The resulting rock is smooth and shiny, like glass.
2. Porphyritic: This texture is characterized by large, visible crystals (called phenocrysts) embedded in a finer-grained matrix. This texture is often seen in volcanic rocks.
3. Vesicular: This texture is formed when gas bubbles get trapped in the magma as it cools, leaving behind small cavities in the rock. The resulting rock is porous and lightweight.
4. Fine-grained: This texture is formed when magma cools quickly, but not so quickly that glass is formed. The resulting rock has a smooth texture with small, tightly packed crystals.
5. Coarse-grained: This texture is formed when magma cools slowly, allowing large crystals to form. The resulting rock has a rough texture with visible crystals.
Overall, the texture of an igneous rock can provide clues about its origin and the conditions under which it was formed.
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What are the options available to the president if he dislikes a bill?
A.nothing he can do
B.send it back to the senate for changes
C. veto or pocket veto the bill
D.send the bill to the public for vote
what physical traits would you expect native people who live around the equator to have?
The Equator has divided the earth into two equal halves. Native of the equatorial region has primary activities like hunting, subsistence agriculture, fishing, etc.
Some of the traits of the natives of the region are mentioned here:
In the equatorial region, numerous diverse agricultural practices have been used. The majority of the locals in this area are nomads who form groups and regularly engage in activities like fishing and hunting.The Lumad peoples of the southern Philippines, the Pygmies of central Africa, and the Amazonian Indians of South America are just a few of the tribes that call tropical rainforests home. Hunting, shifting farming, and tribal practice are the three main human activities. Rain is present all over the year in this region.High biodiversity and low level of development is characteristic of the equatorial regionTo learn more about the equatorial regions here
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How does the author describe Kepler-16b?
A. as a rocky planet that orbits two stars
B. as a moon that crosses the path of several stars
C. as a planet probably much warmer than Earth
D. as a gaseous planet about the size of Saturn
Answer:
A. as a rocky planet that orbits two stars
Explanation:
because i had that question and i got it right
how will you test your hypothesis to solve the problem
Answer:
Answers will vary
Explanation:
This question will really be based off of what your hypothesis is, and what it's for...
In your case you have a problem, and what you think is the solution (hypothesis). You can use many different ways to test this, but I recommend the scientific method:
Make an observation.Ask a question.Form a hypothesis, or testable explanation. (This is the step you are on)Make a prediction based on the hypothesis.Test the prediction. IterateNumber 5 is really what your question is all about, how are you able to test your question and solution
Answer:
Hypothesis testing is an act in statistics whereby an analyst tests an assumption regarding a population parameter. The methodology employed by the analyst depends on the nature of the data used and the reason for the analysis.
Hypothesis testing is used to assess the plausibility of a hypothesis by using sample data. Such data may come from a larger population, or from a data-generating process. The word "population" will be used for both of these cases in the following descriptions.
KEY TAKEAWAYS:
•Hypothesis testing is used to assess the plausibility of a hypothesis by using sample data.
•The test provides evidence concerning the plausibility of the hypothesis, given the data.
•Statistical analysts test a hypothesis by measuring and examining a random sample of the population being analyzed.
Explanation:
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when nuclear fusion reactions stop in a star similar to our own sun, the star
When nuclear fusion reactions cease in a star like our Sun, the star enters a phase known as the post-main-sequence evolution.
This marks the end of the star's hydrogen-burning phase and the transition into a different stage of its life cycle.Nuclear fusion is the process by which stars, including our Sun, generate energy. In the core of a star, hydrogen nuclei combine to form helium through a series of fusion reactions, releasing a tremendous amount of energy in the process. However, as the star consumes its hydrogen fuel, the core begins to contract under the influence of gravity, increasing its temperature and pressure.
Eventually, the core becomes hot and dense enough to initiate a new phase of fusion, where helium nuclei fuse to form heavier elements. This phase, called helium burning, occurs in stars that are more massive than our Sun. The energy generated from helium burning counterbalances the force of gravity, preventing the star from collapsing under its own weight.
However, as the star exhausts its helium fuel, it undergoes further changes. In low-mass stars like our Sun, the outer layers begin to expand, causing the star to evolve into a red giant. The core, which no longer has enough pressure and temperature to sustain fusion reactions, contracts and heats up. This leads to the expulsion of the star's outer layers, forming a planetary nebula, while the remaining core becomes a white dwarf.
In higher-mass stars, the core contracts and heats up even more, allowing fusion reactions to continue with heavier elements like carbon and oxygen. This process repeats for different elements until the star reaches iron. Unlike other fusion reactions, iron fusion is not energetically favorable, requiring more energy than it releases. As a result, the core becomes unstable, leading to a catastrophic event known as a supernova. The explosion disperses the star's outer layers into space, while the core collapses into either a neutron star or a black hole, depending on its mass.
In summary, when nuclear fusion reactions stop in a star similar to our Sun, the star goes through different phases of evolution. In low-mass stars, the outer layers expand, forming a red giant, and the core contracts to become a white dwarf. In higher-mass stars, the core undergoes further fusion reactions until it reaches iron, at which point a supernova occurs, leading to the formation of a neutron star or a black hole.
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explain briefly types of precipitation
Answer:
Precipitation is when clouds that have got water from evaporation start to drop that water as snow rain or sleet.Snow is water that freezes into ice crystals before it hits that ground.Sleet is water that freezes into balls of ice that fall from the sky,And rain is water droplets that fall from clouds.This is one of the main parts of the water cycle.
Explanation:
why do scientists hypothesize that a new subduction zone is forming in which the eurasian plate will descend beneath northern africa?
The Atlas Mountains, a geological formation, are thought to be a sign that a new subduction zone is developing beneath northern Africa. Morocco, Algeria, and Tunisia are all countries in northern Africa that are bordered by the Atlas Mountains.
Geologically speaking, the mountains are believed to have formed recently, and their formation may be related to the subduction of the Eurasian plate beneath northern Africa.
One tectonic plate is forced beneath another plate during the subduction process, usually as a result of density differences. The denser plate melts as it sinks into the mantle, producing magma that can rise to the surface and give rise to volcanoes. The location of the Atlas Mountains, which are volcanic in origin.
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Ryan, an American manager working in a foreign subsidiary, tends to treat foreign nationals as if they were home-country nationals. As a result, he has been experiencing significant management problems and considerable frustration with his overseas assignment. According to Mendenhall and Oddou, which dimension that predicts success in foreign postings is Ryan lacking?
Answer:
ment problems and considerable frustration with his overseas assignment. According to Mendenhall and Oddou, which dimension that predicts
Explanation:
reign nationals as if they were home-country nationals. As a result, he has been experiencing significant management problems and considerable frus
what is the effect of rising temperatures on the availability of water in south asia
Answer:
increase water consumption .
Explanation:
Rising temperatures increase water consumption by people, animals, and plants as warmer air increases the rate of evaporation of moisture from soil and plants as well as sweat from skin. As the demand for water increases, intersectoral and intercountry competition for water is likely to intensify.
In Thailand, plays known as
feature singing, dancing, and vibrantly colored costumes.
Answer:
Dance in Thailand, pronounced is the main dramatic art form of Thailand.
Explanation:
Thai dance, like many forms of traditional Asian dance, can be divided into two major categories that correspond roughly to the high art (classical dance) and low art (folk dance) distinction.
why do hurricanes in the atlantic move toward the west during their early stages?why do hurricanes in the atlantic move toward the west during their early stages?steering influence of ocean currentswarmer water temperatures guide them.coriolis effect guides them.they move away from areas of high salinity.prevailing winds are from the east.
Hurricanes in the Atlantic tend to move toward the west during their early stages due to a combination of several factors. One of the main influences on their movement is the steering influence of ocean currents. The Atlantic hurricane season occurs during the summer and fall months when the Gulf Stream, a powerful ocean current, is at its strongest. As hurricanes develop in the warm waters of the Atlantic, they are often carried westward by the Gulf Stream, which can push them toward the eastern coast of the United States.
Another factor that can guide hurricanes toward the west is warmer water temperatures. As hurricanes develop and intensify, they require warm water temperatures of at least 80°F (27°C) to fuel their growth. These warmer waters can be found primarily in the western Atlantic, which can attract and guide hurricanes in that direction. Finally, prevailing winds in the Atlantic tend to be from the east, which can also contribute to the westward movement of hurricanes. As hurricanes develop, they can be carried by these winds in a westward direction, particularly during their early stages.
In summary, hurricanes in the Atlantic tend to move toward the west during their early stages due to a combination of factors, including the steering influence of ocean currents, warmer water temperatures, the Coriolis effect, the desire to move away from areas of high salinity, and prevailing winds from the east.
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Recall from Parts A and B that the difference in elevation between placemarks A and B was 120 meters and that the distance between the placemarks was 155 meters. Calculate the dip angle of the Fountain Formation in this area between placemarks A and B.
Answer:
37.75°
Explanation:
The distance between place marks A and B (AB) is 155 meters. The change in elevation (Δh) between A and B is 120 meters.
Dip is the angle at which a planar feature is inclined to the horizontal plane; The dip angle is always in a vertical plane and is measured downward from the horizontal plane, the dip is also perpendicular to the strike.
The dip angle of the Fountain Formation can be found by the following formula:
dip angle = tan⁻¹(change in elevation/distance) = tan⁻¹(Δh/d)
Substituting:
Dip angle = tan⁻¹(120/155) = 37.75°
Put the expeditions of exploration into their correct chronological order.
Lewis and Clark explore the Louisiana
Territory with the Corps of Discovery.
The Sibley expedition visits the salt flats in
northern Oklahoma.
The Sparks expedition explores the Red
River
The Long-Bell expedition attempts to find
the source of the Red and Arkansas
Rivers
Answer:
Lewis and Clark explore the Louisiana Territory with the Corps of Discovery.
The Sparks expedition explores the Red River .
The Sibley expedition visits the salt flats in northern Oklahoma.
The Long-Bell expedition attempts to find the source of the Red and Arkansas Rivers.
Explanation:
The chronological sequence of the expeditions are given as follows-
1. Meriwether Lewis and William Clark were tasked with the exploration of lands west of the Mississippi River by the then-President Thomas Jefferson in 1804. The exploration of these lands was a follow-up of the Louisiana Purchase, the land deal between the US and France where the US acquired the west side of the Mississippi River.
2. The expedition under Captain Richard Sparks was another expedition commissioned by President Jefferson along the Red River in 1806. This expedition was to determine and collect data about the land, flora, and fauna of the lands still unfamiliar, particularly of the lands of the Native Indians.
3. In 1811, George C. Sibley went on an expedition to bring about improvements in the relationship with the Pawnee and Kansa tribes. He also wanted to discover the rumored Jefferson salt mountains. But rather, he found the salt mountains in the Northern Oklahoma salt plains.
4. In 1820, Maj. Stephen Harriman Long of the U.S. Army Topographical Engineers and Capt. John R. Bell went on an expedition alongside the western lands of Oklahoma. This expedition was determined to find the source of the Red and Arkansas Rivers.
what is magnitude
what is latitude
Explanation:
In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earth's surface. Latitude is an angle (defined below) which ranges from 0° at the Equator to 90° (North or South) at the poles. Lines of constant latitude, or parallels, run east–west as circles parallel to the equator. Latitude is used together with longitude to specify the precise location of features on the surface of the Earth. On its own, the term latitude should be taken to be the geodetic latitude as defined below. Briefly, geodetic latitude at a point is the angle formed by the vector perpendicular (or normal) to the ellipsoidal surface from that point, and the equatorial plane. Also defined are six auxiliary latitudes that are used in special applications.
Why is the dead Sea not actually a sea, and what kind of body of water is it?
Answer:
Bordered by Jordan to the east and by Israel and Palestine to the west, the Dead Sea is a landlocked lake rather than a true sea, and is recognized as one of the saltiest bodies of water on Earth. Its name is well earned — no fish, birds or plants can survive in its high-saline environment
A stratovolcano recently erupted in the United States. Although it warned of its impending eruption, it still killed people, partly because it first blew sideways and produced a monstrous landslide. The volcano is a. Yellowstone. b. Mt. St. Helens. c. Surtsey. d. Mt. Rainier.
Answer:
Mt. St. Helens
Explanation:
I wouldn't consider St. Helens recent, but it's the only one that checks the boxes.
Which of the following is an accurate comparison of devolutionary movements in Spain and Canada?
Answer:
There is an economic aspect to the Catalan independence movement, while the Quebecois focus mainly on cultural differences.
Explanation:
what is the largest country, by area, that borders only one other country? china
Answer:
Canada
Explanation:
Canada is 9.985 million km² aND only borders 3 parts of the US, Alaska, Point Roberts and Mainland US.
ligth from stars provides evidence that the universe is expanding wich two statements explain why is true
Light from stars provides evidence that the universe is expanding. The light waves get "stretched out" as they travel and the light waves appear redder than expected explains that it's true. Option B and C is the answer
What is Light wave?Waves are result of disturbances that happens in a system, which helps to transit energy from a place to another.
Light wave helps to transmit energy form a light source such as stars to the surrounding environment.
When the wave length is long the energy transmitted is also reduced. This is an indication that the distance between the object producing the wave and the environment is far apart.
Because star light are usually very small and far away it indicate that the light wave is stretched out because of the distance that exist between the stars and the earth. The distance makes it redder than expected and the universe expand and moves away form the intensity of the light.
Therefore, light waves get "stretched out" as they travel and the light waves appear redder than expected explains that universe is expanding.
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.
ligth from stars provides evidence that the universe is expanding wich two statements explain why is true?
A. The light waves are closer together than predicted.
B. The light waves get "stretched out" as they travel.
C. The light waves appear redder than expected.
D. The light waves look bluer than they should.
you collect radioactive data from a specimen you are trying to give an absolute age for--the half life for isotope a-b is 80 milion years. 75% of the atoms represent isotope b (daughter) and 25% of the atoms represent isotope a (parent). which of the following would this isotope be useful for dating? question 5 options: a) rocks forming in the early archean. b) rocks that formed any time in the precambrian. c) rocks that formed in the proterozoic only. d) rocks that formed any time in earth history. e) phanerozoic rocks.
The correct answer is option (c) rocks that formed in the proterozoic only
Radioactive dating is a method of dating rocks and fossils using isotopes of elements. It is based on the decay of radioactive isotopes and the ratios of parent to daughter isotopes.Thus, to determine the absolute age of rocks or fossils, it is necessary to collect radioactive data from a specimen. The half-life for isotope A-B is 80 million years. 75% of the atoms represent isotope B (daughter) and 25% of the atoms represent isotope A (parent).Based on the given information, the isotope would be useful for dating rocks that formed in the Proterozoic only.
This is because the half-life of the isotope is 80 million years, so the time span during which the radioactive dating could be used is restricted to periods in which the rock's age lies between 10 million and 640 million years. As a result, it can only be used for dating rocks that formed during the Proterozoic era (between 2.5 billion and 540 million years ago).
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