Why does it take less time for small rocks to wear away than it does for large rocks to wear way?

Answers

Answer 1

Answer: If you take one large rock it only wears away on its surface.

If you now break that rock in half the surface is the old outside AND the new break in half - therefore more surface area to wear away. Break these two halves again and there is more surface area to wear away.

Keep going and break your large rock into many pieces and you get small rocks which wear away much quicker.

Answer 2

Answer: It is because that small rocks are lighter than large rocks. It is hard for larger rocks because they are very heavy.

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A species of insect is newly introduced into the United States from the Philippines. This insect becomes established, laying its eggs on the leaves of oak trees. How can a biologist determine if the relationship between the insect and the oak tree is commensalism, mutualism, or parasitism?

Answers

Commensalism describes the interaction between the insect and the oak tree.

What is commensalism?

It is a type of biological interaction between two species in which one of the interacting species is benefitted while the other species is unaffected.

How is the above interaction commensalism?

Since the insect gets a safe place to lay its egg it gains from this interaction while the tree is unaffected.

When will this interaction be a mutualism interaction?

When both the organisms benefit from the interaction.
If the insect helps in the pollination of the tree while the insect gets a safe place to lay its egg.

When will this interaction be a parasitic interaction?

When one of the organism benefit at the expense of the other.
For example, If the insect sucks the sap of the tree on which it lays its egg. The insect benefits while the tree is harmed.

To learn more about biological interaction, species, and commensalism here,

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Answer:

its D!!!

Explanation:

If the insect benefits and the tree neither benefits nor is harmed, the relationship is commensalism.

Which wave source can travel through the vacuum of space?

Answers

I suppose any 'source' of waves could travel through space.
But the only waves that could leave their source and travel
through space away from it are electromagnetic ones.

Answer:

ondas mecánicas,ondas electromagnética .

Explanation:

ondas mecánicas, como las ondas de agua de sonido, temblores del terremoto y, necesitan un medio material a través del cual viajar. Las ondas electromagnéticas, incluyendo rayos X, ondas de radio y luz visible, pueden viajar a través del vacío del espacio vacío. Estas ondas se mueven a la velocidad de la luz y consisten de vibrar campos eléctricos y magnéticos orientados en ángulos rectos entre sí.

A company is creating a new cylindrical container to replace its original cylindrical container.´ The new container will have 4 times the volume of the original container.

´ The height of the new container will remain the same as the height of the original container.

The length of the radius of the new container will be -

f 4 times the length of the radius of the original container
g 8 times the length of the radius of the original container
h 2 times the length of the radius of the original container
j 16 times the length of the radius of the original container

Answers

The correct option is h. " 2 times the length of the radius of the original container"

Reason:
V(old) = pi r^2 h ... r = old radius
V(new) = 4pi r^2 h = pi R^2 h R = new radius
4pi r^2 h = pi R^2 h ... pi and h cancel
4r^2 = R^2
R = 2r

The solubility of most solids _______ as temperatures decreases.

Answers

Answer:

The solubility of most solids decrease as temperatures decreases.

Hope this helps :)

Have a great day !

5INGH

Explanation:

On the continents, land that rises high above the ground is called a mountain. In the oceans, we call this the

Answers

it's called the mid-ocean ridge

On the continents, land that rises high above the ground is called a mountain. In the oceans, we call thismid-ocean ridge.

While traveling along a highway a driver slows from 24 m/sec to 15 m/sec in 12 seconds. What is the automobile’s acceleration?

Answers

24-15=9 m/s slower in 12 seconds. So 9/12 m/s² slower. Therefore the acceleration is -0,75 m/s²

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