Five-year plans and collectivization are most closely associated with.

Who can you think of that has an a in their first name and a b in their last name?

Break down of rocks and minerals into smaller particles without a change in composition is called_

Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.