Lack of predators.
An abundance of Food.
I think is D,,,,,,,,,,,,,,,,,
Answer:
How have phosphate minerals most affected human activity? Using phosphate minerals in fertilizer allowed humans to grow more crops. The availability of rock and mineral resources has major effects on human activity.
Explanation:
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A. If the optimum temperature for a cell's functions is exceeded, chemical reactions slow down as enzymes and other proteins begin to denature (change shape due to increased vibration of the atoms in the molecules that make up the proteins).