Exposed rocks are mechanical since it is exposed to the outside elements a.k.a the weather and it's wearing down it's composition naturally,it would be chemical if you dropped into a solution or something to alter the rocks composition...hope this helps.
Answer:
The most probable answers would be A and B
Explanation:
The rest don't make a whole lot of sense. The moon doesn't change distance or pace. They don't repel each other because their force is equally balanced so one doesn't float away from the other or is pushed closer. There aren't tides.
Answer:
A mouse would obtain energy from plants that have vitamins and minerals, and protein from things like nuts. An owl would get protein from eating a mouse and vitamins and minerals from the things the mouse ate.
Explanation:
It's all one big circle. These nutrients would provide the energy needed to perform everyday tasks.
They have adapted through the concept of natural selection
the characteristics applies to all three domains and viruses by the genetic material.
