Answer:
D
Explanation:
Because,
Mechanical weathering is the breaking down of rocks into smaller pieces without changing the composition of the minerals in the rock. This can be divided into four basic types – abrasion, pressure release, thermal expansion and contraction, and crystal growth.
Answer:
Because, Air (or any gas) takes up space in water, just like solids. Air (or any gas) is less dense than water, so gas bubbles float to the top of water.
