Artificial selection is selective breeding forced by man, and natural selection is done to survive
Answer:
you could add an enzyme to speed up the reaction time and lower the amount of energy needed for the reaction
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