Which indicates how evidence of climate change supports the theory of continental drift? coal fields in several continents volcano formation glacial evidence found in south africa folded mountains in africa and south america.

Which two statements are true about a system? 1. a system is a group of objects analyzed as one unit. 2. energy that moves across system boundaries is conserved. 3. there’s only one way to define the boundaries of a system. 4. all systems are made by humans.

What is the answer to this question?

52(4p+1) ≤ 4 3+12p can someone solve it for me with explanation