Explanation:
D. It led to the development of nonrenewable sources of energy.
<span>"Ectopic" means "out of place" -- and in an ectopic pregnancy, the fertilized egg has implanted outside the uterus (the womb).</span>
That era would be the <span>Pleistocene Epoch.</span>
Answer: The powerhouse of a cell is known as the mitochondria.
