I believe the answer is B because the egg becomes fertilized by the sperm inside the body.
Answer:
Reptiles, like early dinosaurs.
It was how fast it was disappearing. Once the world's fourth largest lake, the Aral Sea in Central Asia has been losing water for half a century — ever since Soviet engineers began diverting the two rivers that sustain it, the Amu Darya and Syr Darya, in order to grow cotton in the desert.
This is an advantage because there will not be any harmful chemicals/pesticides in the food we eat