Mineral Naturally occurring, solid, crystalline structure, defined physical and chemical properties. The difference between a rock and a mineral is that a rock is an aggregate of minerals and has chemical compounds of defined composition while a rock has defined physical and chemical properties. Short Essay 1. Give an example of both a terrestrial and an aquatic biome, list three abiotic factors that affect each one, and explain how each of these factors affects its respective biome. Take any reasonable answer for how the abiotic factors affect the biomes.
Limestone is the only acceptable answer.
Calcium carbonate will not be accepted.