Troposphere is what I think it is.
Answer:
cooling of lava or magma makes igneous
sedimentary rock is formed when sediment gets deposited, and is hardened by compaction and cementation.
any rock can turn into a metamorphic rock when exposed to extreme heat and pressure
Answer:
A
Explanation:
A) adaptations that cause a disadvantage to the species are selected against and do not become common in the population.