the presence of ___ is thought to indicate that rock splashed upward by an impact was molten as it fell back down from the sky.

Human activity on land can have a profound influence on marine ecosystems. It can lead to water pollution, climate change, habitat destruction, and the introduction of invasive species into marine environments.Water pollution is one of the most significant consequences of human activity on land, which can significantly affect marine ecosystems.

Pesticides, fertilizers, and other chemicals from farms can run off into nearby water sources and eventually make their way into the ocean, contaminating it and affecting marine life. Sewage and waste disposal are additional sources of water pollution that can have severe consequences on marine ecosystems. Waste disposal into water bodies can contribute to the presence of pathogens, viruses, and other harmful pollutants that can cause harm to marine life.

Climate change is another consequence of human activity on land that can negatively impact marine ecosystems. Carbon dioxide, methane, and other greenhouse gases released from activities such as the burning of fossil fuels can trap heat in the atmosphere, leading to warming ocean temperatures and changes in ocean currents. These changes can affect marine life, leading to the decline in species that cannot adapt to such changes.

Destruction of these habitats can lead to the decline of marine life and biodiversity.In conclusion, human activities on land have significant consequences on marine ecosystems. Water pollution, climate change, habitat destruction, and the introduction of invasive species are some of the ways that human activities affect marine ecosystems. Therefore, it is necessary to adopt sustainable practices and manage human activity to ensure the conservation and sustainability of marine ecosystems.

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Brazil has got a lot of cultural transformation due to the European immigrants who have come and settled in Brazil. Then due to the slave trade, many Africans have also come and settled in Brazil. All these have resulted in the diversification of the physical features of Brazil.

Brazil is one of the physically richest countries in terms of resources. It has got a lot of varied characteristics. The physical features of Brazil are due to its locational exquisiteness. The most important thing about Brazil is that it is the largest country in South America.

The Brazilian landscape is very rich in natural resources. It has one of the largest rainforests the Amazon. The world's largest jungle is in the north. the physical features of Brazil also include a lot of animals, which have been staying in these lands for over some time. Brazil also has rugged lands as well as large acres of grasslands known as the pampas.

The physical features of brazil are all due to the anomaly in the weather conditions it has heat, rain, and also cold on its lands.

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Option D, Relative cooling rates of igneous intrusive rocks can be estimated by comparing rock's Crystal sizes.

Igneous rocks are formed by the solidification of magma or lava. Intrusive rocks form when magma solidifies beneath the Earth's surface, while extrusive rocks form when lava solidifies at the Earth's surface.

One way to estimate the relative cooling rate of igneous intrusive rocks is by comparing the size of the crystals in the rock. Intrusive rocks cool slowly underground, allowing for the growth of large crystals.

Extrusive rocks cool quickly at the surface, resulting in smaller crystals or no crystals at all.

Therefore, rocks with large crystals can be inferred to have cooled slowly, and thus, formed deep underground, while rocks with small crystals or no crystals formed quickly at the surface.

This is an important characteristic to understand when trying to infer the geologic processes that formed a particular rock.

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Answer:

1. cuz there's no sun out at night 2. cuz that's how God made it

Explanation:

Answer:

the sky is dark at night because from your current position the earth's rotation is opposite of that of the sun so in other words the sun is shining on the other side of earth

The atmosphere is defined as a layer of gas that surrounds a planet like Earth, from the surface of the planet to deep in space with a thickness of about 1000 KM. Based on these problems, the layer of the atmosphere that contains a protective ozone layer is the stratosphere.

The atmosphere is defined as a layer of gas that surrounds a planet like Earth, from the surface of the planet to deep in space with a thickness of about 1000 KM. The function of the atmosphere is to regulate the process of entering sunlight into the earth by absorbing and reflecting back the heat emitted by the sun. There are other functions of the atmosphere, including:

The atmosphere on Earth has different types of layers with different characteristics. The following are types of atmospheres:

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The esophagus, the stomach, and the small intestines all function together to digest the food and absorb the nutrients. organ system of organization is being described here

An organ system is the group of the organs that work together to perform the one or more functions. Each organ has the specific function in the body and is made up of the certain tissues. The 11 organ systems include the the respiratory system, the digestive and the excretory system, the circulatory system, the urinary system, the integumentary system, the skeletal system, the muscular system, the endocrine system, the lymphatic system, the nervous system, and the reproductive systems. There are other systems also in the body that are not the organ systems.

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Answer:

organ system of organization is being described here

Explanation:

edge 23

Answer:

Delaware is the next smallest state after rhode island with 1,955 square miles

Explanation:

Hope this helped and please mark as best answer if you don't mind, have a great day!!

Answer:

C

Explanation:

Rivers allow for boat transportation, creating the veins of trade and commerce for the region. Goods and services are shipped all along europe due to these rivers.

They define geological periods because scientists use them as reference points for tracking the history of the earth. They cause significant changes that disrupt the equilibrium of the earth and lead to natural separation points.

Answer:

water borne illness

Explanation:

I dont actually know it i just want to try

Answer: Respiratory disease

Explanation: Due to air pollution.

The safest place, among those listed below, in the 48 contiguous states with respect to earthquake seismic risk is South Dakota. Thus, Option D is correct.

This is due to its location in the stable interior of the North American Plate, far away from any active plate boundaries or faults.

South Dakota is located in the stable interior of the North American Plate, which means that it is far away from any active plate boundaries or faults. This location makes South Dakota less likely to experience earthquakes compared to other areas located near plate boundaries or faults.

Although earthquakes can occur anywhere, the risk is lower in South Dakota than in other areas such as California or Alaska. Therefore, South Dakota is considered the safest place among those listed below, in the 48 contiguous states with respect to earthquake seismic risk.

Based on this explanation, the correct answer is D.

The complete question:

Where is the safest place, among those listed below, in the 48 contiguous states with respect to earthquake seismic risk?

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Rhyolite, andesite, basalt, and obsidian are all rocks that are classified as volcanic rocks.

Volcanic rocks are formed through the solidification of magma or lava from volcanic activity. Rhyolite, andesite, basalt, and obsidian are examples of volcanic rocks that vary in composition and texture.

Rhyolite is a light-colored volcanic rock with a high silica content, indicating a high viscosity magma. Andesite is an intermediate volcanic rock with a composition between rhyolite and basalt. Basalt is a dark-colored volcanic rock with a low silica content, indicating a low viscosity magma. Obsidian, on the other hand, is a volcanic glass that forms when lava cools rapidly with minimal crystal growth.

These volcanic rocks have different mineral compositions and textures due to variations in the cooling rate and chemical composition of the lava. Understanding the classification of these rocks as volcanic provides insights into the geological processes involved in volcanic eruptions, the composition of Earth's crust, and the types of landforms and landscapes associated with volcanic activity.

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Despite being close to the equator, Quito has a cooler climate due to its higher altitude. Higher latitude locations have a cool environment. This is because temperature drops as altitude rises.

Since Quito is so close to the equator, it is quite uncommon to get high pressure systems. Systems with extremely low pressure are likewise uncommon since pressure is steady.

Almost all of the western section, on both the plain and the coast, is impacted by a cool ocean current called the Humboldt current. This reduces the temperature a bit and makes the climate more arid. Andes crosses the center part and is therefore mostly cold depending on altitude.

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Answer:

4,b  3,e  1,c   2,a   5,f   6,d

Explanation:

The answers to the given questions are as follows:

(a) The principal stresses are approximately:

λ₁ ≈ -9.46 MPa

λ₂ ≈ -0.21 MPa

λ₃ ≈ 10.68 MPa

The directional cosines (eigenvectors) associated with each principal stress are approximate:

For λ₁ ≈ -9.46 MPa: {0.64, -0.63, 0.42}

For λ₂ ≈ -0.21 MPa: {0.42, 0.78, 0.45}

For λ₃ ≈ 10.68 MPa: {-0.62, -0.02, 0.79}

(b) The maximum shear stress at the point is approximately 10.57 MPa.

The state of stress at a point in a body can be represented by a stress tensor matrix. In this case, the stress matrix is given as:

\([\sigma] = \left[\begin{array}{ccc}-2&3&-5\\3&6&2\\-5&2&-4\end{array}\right]\)

To find the principal stresses and their directional cosines, we need to calculate the eigenvalues and eigenvectors of the stress tensor [\sigma].

(a) Principal Stresses and Directional Cosines:

Step 1: Find the eigenvalues (principal stresses) by solving the characteristic equation:

\(|[\sigma] - \lambda[I]| = 0\)

where I is the identity matrix.

Let's write down the characteristic equation and solve for the eigenvalues:

\(|[\sigma] - \lambda [I]=\left[\begin{array}{ccc}-2-\lambda&3&5\\3&6-\lambda&2\\-5&2&-4 -\lambda\end{array}\right]\)

             = 0

Solving for λ, we get three eigenvalues:

λ₁ ≈ -9.46 MPa

λ₂ ≈ -0.21 MPa

λ₃ ≈ 10.68 MPa

Step 2: Find the eigenvectors (directional cosines) associated with each eigenvalue:

To find the eigenvector for each eigenvalue, we need to solve the system of equations:

\(([\sigma] - \lambda_{n} [I]) \times {v_{n} } = {0}\)

where λₙ is the nth eigenvalue and

{vₙ} is the corresponding eigenvector.

For λ₁ ≈ -9.46 MPa:

[σ] - λ₁[I] = \(\left[\begin{array}{ccc}6.46&3&-5\\3&15.46&2\\-5&2&5.46\end{array}\right]\)

Solving the system, we get the eigenvector {v₁} ≈ {0.64, -0.63, 0.42}

For λ₂ ≈ -0.21 MPa:

[σ] - λ₂[I] =  \(\left[\begin{array}{ccc}-1.79&3&-5\\3&6.21&2\\-5&2&-3.79\end{array}\right]\)

Solving the system, we get the eigenvector {v₂} ≈ {0.42, 0.78, 0.45}

For λ₃ ≈ 10.68 MPa:

[σ] - λ₃[I] = \(\left[\begin{array}{ccc}-12.68&3&-5\\3&-4.68&2\\-5&2&-14.68\end{array}\right]\)

Solving the system, we get the eigenvector {v₃} ≈ {-0.62, -0.02, 0.79}

(b) Maximum Shear Stress:

The maximum shear stress (τmax) is half the difference between the largest and smallest principal stresses:

τmax = (λ₃ - λ₁) / 2

Substitute the values:

τmax ≈ (10.68 - (-9.46)) / 2

          ≈ 10.57 MPa

So, the maximum shear stress at the point is approximately 10.57 MPa.

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Complete question:

The state of stress at a point in a body relative to the xyz coordinate system is given by

\([\sigma]=\left[\begin{array}{ccc}-2 & 3 & -5 \\ 3 & 6 & 2 \\ -5 & 2 & -4\end{array}\right] M P a\)

(a) Determine the principal stresses and the directional cosines associated with the direction of each principal stress.

(b) Determine the maximum shear stress at the point.

The exceptional dryness of the Atacama desert is not influenced by the cold Peru current, which stabilizes the air.

The Atacama desert is one of the driest places on earth, and several factors contribute to its exceptional dryness. These factors include a location deep in the interior of the continent, where moisture cannot reach, a rain shadow effect caused by the Andes mountains, and a location under a semi-permanent cell of high pressure. However, the influence of the cold Peru current, which stabilizes the air, is not a factor in the exceptional dryness of the Atacama desert. This current runs along the west coast of South America and helps to keep the air-stable, but it does not significantly affect the dryness of the Atacama desert.

The Atacama Desert's exceptional dryness can be attributed to several factors, but being deep in the interior of the continent is not one of them. The other factors, such as the influence of the cold Peru Current stabilizing the air, a rain shadow effect caused by the Andes Mountains, and a location under a semi-permanent cell of high pressure, all contribute to the extreme aridity of the Atacama Desert.

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Based on the analysis, one of the likely causes of the rockslide at Frank Slide, Alberta, Canada in 1903 is a. the east limb of the Turtle Mountain anticline dips steeply to overturned here.

The Frank Slide was a massive rockslide that occurred on April 29, 1903, in the Turtle Mountain area of southwestern Alberta, Canada. The slide was triggered by a sudden movement of a large part of the limestone rock formation that made up the eastern slope of Turtle Mountain.

The debris from the rockslide covered an area of approximately 3 square kilometers, burying the eastern part of the town of Frank and causing the deaths of around 90 people.

Geologists have conducted extensive studies to understand the causes of the Frank Slide. One of the likely causes is the steeply dipping east limb of the Turtle Mountain anticline that exists in the area.

An anticline is a geological formation characterized by a convex upward fold of rock layers. The Turtle Mountain anticline is an asymmetrical fold that has a steeply dipping eastern limb.

This steeply dipping limb can create a zone of weakness in the rock that can be more susceptible to failure than the surrounding rock. This zone of weakness can be further exacerbated by erosion and weathering.

In the case of the Frank Slide, the steeply dipping eastern limb of the Turtle Mountain anticline likely played a role in creating the zone of weakness that led to the rockslide.

The weight of the overlying rocks and the pressure exerted by them on the weak zone may have caused it to fail suddenly, leading to the massive rockslide.

Therefore, based on the analysis, one of the likely causes of the rockslide at Frank Slide, Alberta, Canada in 1903 is the east limb of the Turtle Mountain anticline dipping steeply to overturned here.

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Death Valley has three versions of latitude: geographic latitude, geocentric latitude, and astronomical latitude.

Geographic latitude refers to the angular distance of a location north or south of the Earth's equator, measured in degrees. For Death Valley, the geographic latitude is approximately 36.24°N. This is the commonly used latitude measurement for general geographical references.

Geocentric latitude takes into account the Earth's ellipsoidal shape rather than assuming a perfect sphere. It is calculated based on the angle between the line from the center of the Earth to a point on its surface and the plane of the equator. The geocentric latitude of Death Valley is approximately 36.34°N.

Astronomical latitude is determined by celestial observations and accounts for the effects of the Earth's rotation and the position of celestial bodies. It provides a reference point for precise astronomical measurements. The astronomical latitude of Death Valley is approximately 36.22°N.

These three versions of latitude are used in different contexts and calculations, depending on the specific requirements of geographic, geodetic, or astronomical analyses.

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Earthquakes can occur at any of the three types of plate boundaries: transform, divergent, and convergent. Their occurrence is not limited to a specific hemisphere but can happen anywhere in the world where tectonic plates interact.

The occurrence of earthquakes is not limited to a specific hemisphere or plate boundary type. Earthquakes can happen at any of the three types of plate boundaries: transform, divergent, and convergent.

Transform plate boundaries occur when two plates slide past each other horizontally. The friction and stress along these boundaries can build up over time, resulting in earthquakes. Famous examples of transform plate boundaries include the San Andreas Fault in California.

Divergent plate boundaries are characterized by plates moving away from each other. As the plates separate, magma rises to fill the gap, forming new crust. The movement of plates and the volcanic activity associated with this process can cause earthquakes. The Mid-Atlantic Ridge is an example of a divergent plate boundary.

Convergent plate boundaries occur when two plates collide or come together. These boundaries can involve subduction, where one plate sinks beneath another, or continental collision, where two continental plates collide. The intense pressure and compression at these boundaries can generate powerful earthquakes. The Pacific Ring of Fire, which surrounds the Pacific Ocean, is known for its numerous convergent plate boundaries and high earthquake activity.

In summary, earthquakes can occur at transform, divergent, and convergent plate boundaries. The occurrence of earthquakes is not limited to a specific hemisphere. Earthquakes can happen anywhere in the world where tectonic plates interact, regardless of their location in the northern or southern hemisphere.

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Answer:

1- True

2- D (Creation of new Industries)

Explanation:

Hope this helps! :D

Answer:

1: True

2: D(creation of new industries)

Explanation:

I hope this helps you enjoy. :)

Answer:

Geography affects the weather in many ways. ... Topographical features like mountains affect the weather mostly in the way that they direct air currents. For example, air is forced to rise over mountains. Moist air will cool as it rises, and then the clouds release the water, causing precipitation like rain or snow.Oct 17, 2017

Explanation:

U just have to go and search about the question online

Peat bogs is/are NOT an example of alternative hydrocarbon sources. The correct option is D.

Peat bogs are not an example of alternative hydrocarbon sources. While methane hydrates, oil shales, and tar sands are all sources of hydrocarbons that can be extracted and processed for energy production, peat bogs are not considered hydrocarbon sources in the same sense.

Peat bogs are a type of wetland where dead plant material accumulates and forms peat, which is a precursor to coal. Although peat can be used as a fuel source, it is not categorized as a hydrocarbon like the other options mentioned.

To recap, out of the options provided, peat bogs are NOT an example of alternative hydrocarbon sources, while methane hydrates, oil shales, and tar sands are considered alternative sources of hydrocarbons.

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Complete question:

________is/are NOT an example of alternative hydrocarbon sources.

a. Methane hydrate

c. Oil shales

b. Peat bogs

d. Tar sands

Answer:

It's a mix of a tiger and lion I think

Answer:

Hudson Yards

The highly-anticipated, tallest outdoor observation deck in the Western Hemisphere was completed right before the C O V I D-19 shutdown in March, and now it's finally reopening! “Edge” in Hudson Yards clocks in at 1,131 feet high and 765,000 pounds and is located on the 100th floor of 30 Hudson Yards

Explanation:

Mark me brainly please.

On the planet Uranus, the pole can remain in darkness for 42 years and then have 42 years of constant daylight.

Uranus is a unique planet in our solar system with peculiar axial tilt and rotation characteristics. The planet's axis of rotation is tilted at an angle of about 98 degrees, which means it is almost sideways compared to its orbit around the Sun. This extreme tilt leads to unusual seasonal variations on Uranus.

As a result of this axial tilt, one of the poles of Uranus can experience prolonged periods of darkness and daylight. When the pole is oriented away from the Sun, it remains in darkness for an extended period, approximately 42 years. This extended polar night occurs due to the oblique angle of sunlight, which prevents sunlight from reaching the pole.

Conversely, when the pole is facing towards the Sun, it experiences continuous daylight for approximately 42 years. During this period, sunlight reaches the pole directly and remains there for an extended duration, resulting in constant illumination.

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Answer:

B

a special purpose map