Chemical Weathering Rocks are changed by chemical and physical weathering. During chemical weathering, the composition of the rock is changed. Extreme heat and pressure within Earth can also cause rocks to change chemically. Physical weathering is the breaking down of rock by wind, water, ice, temperature change, and plants. It changes the shape and size of rocks, but it does not change their properties.

circle each example of chemical weathering

•Shale is worn into small pieces by the wind.
• Sandstone experiences heat and pressure and becomes quartzite.
• Calcium carbonate dissolves.
• Rocks break into pieces as they tumble down a mountain.

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Answer 1

An example of chemical weathering are;

Sandstone experiences heat and pressure and becomes quartzite. Calcium carbonate dissolves.

What is Chemical Weathering ?

Chemical Weathering can be described as the type of weathering that do take place due to the breaking down of the rock particles into smaller pieces which is usually as a result of chemical process.

It should be noted that when the process is taking place it scould be due to the Extreme heat and pressure which can affect the composition of the particles and as a result of this there could be formation of products from the break down.

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Answer 2

The two examples of chemical weathering in these 4 options are
Sandstone experiences heat and pressure and becomes quartzite
Calcium carbonate dissolves
These are both examples of chemical weathering because the composition of these things changed. When shale is worn into small pieces, it is still shale, and rocks breaking into pieces as they tumble down a mountain are both examples of physical weathering because the weathering is not changing the composition of the rock.

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pls answer the question plss

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The Density Calculator uses the formula p=m/V, or density (p) is equal to mass (m) divided by volume (V). The calculator can use any two of the values to calculate the third. Density is defined as mass per unit volume. That sound give you the answer. Hope this Helps!

Yup and tanks it’s the same answer but I’m to lazy to answer right now

Many systems and technologies have been designed to communicate over long distances. They all send information that has been encoded into a signal. What must a receiver be able to do to understand a signal that is being sent to them?

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The person above me is a very good person hope this helps.

please answer this in a hurry will give 10 pts
due tommorow

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Is there a word bank or something?

word bank?? if you could add those i’ll answer

Do you think rayon when burnt will stick to the body like other synthetic fibers?

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In other words, since rayon is made from the plant fiber it does not get stick to our body while we burn it

it will not stick to the body most likely

Please help me i need this done ASAP, this can get me an B, or a E in my class and i need a lot of help.
You and your family have decided to plan a trip to the Grand Canyon this summer. The pictures below show the features of a part of the Grand Canyon and where the Grand Canyon is located (red star). Explain how the Grand Canyon was likely formed and how it will continue to change in the future. In your response, be sure to include the following: Earth’s geologic processes that have likely shaped the landform
A general timescale of how long this process may have taken
Evidence from the unit and relevant unit vocabulary (mechanical/physical weathering, erosion, sedimentation)

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The Grand Canyon is a mile deep gorge in northern Arizona scientists estimate the canyon may have formed 5 to 6 million years ago when the Colorado river began to cut a channel through layers of rock humans have inhabited the area in and around the canyon since the last ice age

The Grand Canyon began its formation about 5 my ago by the erosive action of the Colorado River. Its sedimentary layer composition reflects its history, keeping fossilized living forms that used to inhabit the area.

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The Grand Canyon formation began approximately 5 million years ago, thanks to the erosive action of the Colorado River.

The strength of the colorado river caudal, together with deglaciation and humidity factors, began to cause an uncontrollable erosion process in these lands that were previously part of the sea bottom.

Originally many strata and sediments accumulated at the bottom of the ocean. With time these extensive areas were exposed when the Rocoses Mountains got formed by the end of the cretaceous (70 million years ago).

Now, by looking at the composing layers, it is possible to understand its formation.

The Grand Canyon is almost entirely composed of sedimentary rock.

It was formed while sediments of sand and mud got deposited in thick layers at the bottom of the ocean and got compacted through the pass of time until becoming a rock.

Sedimentary rocks have been chronologically accumulating for years, reflecting the geological formation known as superposition.

According to this sedimentary deposition, we can distinguish the older rocks located in the deepest areas from the younger rocks in more superficial layers.

Each layer keeps fossilized organisms that used to inhabit this area in the past.

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During digestion, what happens in the stomach?

A. All food molecules are broken down into smaller molecules by chemical reactions.

B. Some types of food molecules are broken down into smaller molecules by chemical reactions.

C. Water in the food passes into the blood and travels to other organs where it is used.

D. Food passes into the blood and travels to other organs where it is used in various reactions.

Answers

Answer:

Explanation:

Food is digested in the stomach for several hours. During this time, a stomach enzyme called pepsin breaks down most of the protein in the food. The pancreas and gland cells of the small intestine secrete digestive enzymes that chemically break down complex food molecules into simpler ones.

Answer:

Explanation:

Study the topographic map.

Which value is a good estimate of the railroad’s average elevation?

A. 450
B. 480
C. 500
D. 550

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Answer:

the option is a

Explanation:

I believe it would be A.

please answer , please

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I should pay attention to class next time

Candice did an experiment where wondered if temperature affects how cheese molds. She put a piece of cheese next to a different heat lamp and then measured how much mold was on each cheese. What is the DEPENDENT variable?

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How much the cheese molds. Since it depends on the heat lamp.

Match the term to its definition (Lessons 6.03, 6.04 and 6.05)
(i can't fit this all without confusion)

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Answer: the first paragraph is rain forest biome and the 2nd one is arctic tundra biome and finally the last paragraph is ocean or marine biome

Explanation:

rain forests have warm temperatures and include alot of animals and plants , artctic tundra biome includes cold temperatures ice stuff and all that and ocean or marine biome is pretty much just the ocean with seals , whales and marine life yk.

Which of the following is true about light waves? (Select all that apply.)

Light waves need a medium to travel through.

Light waves do not need a medium to travel through.

Light waves are transverse.

Light waves are longitudinal.

Answers

Light waves are transverse

Light waves are longitudinal.

Light waves do not need a medium to travel through.

These are the true answers…..

HOPE THIS HELPS YOU!!!

Answer: Light waves are transverse, Light waves do not need a medium to travel through

Explanation:

C. Light waves are transverse

B. Light waves do not need a medium to travel through

I hope this helps, if it does please leave a thanks and rate this question, Thank You!

Which statement explains why scientists classify organisms into groups based on shared characteristics?

Group of answer choices

Classification helps scientists understand the relationships between different species.

Classification helps scientists understand how the parts of a cell work together.

Classification helps scientists understand the chemical reactions that are necessary for organisms to live.

Classification makes it easier for scientists to study certain groups of organisms.

Answers

Answer:

It's the last one PLEASE MARK BRAINLIEST

Answer:

Classification makes it easier for scientists to study certain groups of organisms.

When the speed of the bottle is 2 m/s, the KE is kg m2/s2. When the speed of the bottle is 3 m/s, the KE is kg m2/s2. When the speed of the bottle is 4 m/s, the KE is kg m2/s2. When the speed of the bottle is 5 m/s, the KE is kg m2/s2. When the speed of the bottle is 6 m/s, the KE is kg m2/s2.
instructions
In this part of the experiment, you will be changing the speed of the bottle by dropping it from different heights. You will use the same mass, 0.250 kg, for each trial, so record this mass in Table B for each velocity. Then, calculate the expected kinetic energy (KE) at each velocity. Use the formula KE = mv2,
where m is the mass and v is the speed. Record your calculations in Table B of your Student Guide.

Answers

Answer:

Based on the given instructions, you need to calculate the expected kinetic energy (KE) at each velocity using the formula KE = mv^2, where m is the mass and v is the speed. The mass is given as 0.250 kg.

Table B: Calculation of Kinetic Energy (KE)

Speed (m/s)Mass (kg)KE (kg m^2/s^2)20.2500.50030.2500.75040.2501.00050.2501.25060.2501.500

To calculate the kinetic energy at each velocity, multiply the mass (0.250 kg) by the square of the velocity.

For example, when the speed of the bottle is 2 m/s: KE = (0.250 kg) * (2 m/s)^2 = 0.250 kg * 4 m^2/s^2 = 1.000 kg m^2/s^2

Perform similar calculations for the other velocities and record the results in Table B.

Answer:

Explanation:mass of the bottle in each case is M = 0.250 kg

now as per given speeds we can use the formula of kinetic energy to find it

1) when speed is 2 m/s