Which substance can not be broken down by a chemical change? a. ammonia b. methanol c. propane d. phosphorus?

Which of these sequences lists the correct order for the creation of sedimentary rock from sediment? a. deposition, burial, compaction, cementation b. burial, deposition, compaction, cementation c. compaction, deposition, burial, cementation d. cementation, deposition, burial, compaction

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

In medium-sized stars such as the sun, nuclear fusion almost always means the fusing of nuclei to form , but larger stars can produce elements as heavy as