I believe it's D don't take my word for it.
Answer:
A solid rock becomes soil when it breaks down and combines with water, air, and organic matter.
Answer:
<em>The tyres of car wear out gradually, due to the frictional force. Frictional force arises between two objects when they move over one another. In the given cases it arises between the tyre and the surface which it is travelling on.</em>
posin may become a Hazzard to people who or vacation outdoors
