Abig rock is weathered over many years by a river and to only small pebbles remain the mass of all the pebbles is less than the mass of the rock what probably happened to the rest of the rock

d. it is converted to soil.

Explanation:

hopes this helps. D is the correct answer

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

hope this ! this is not copied! search it up, it's free of plagiarism!