<span>One of her parents had type B blood and the other type A blood.</span>
B, because if you think about it, you're climbing a mountain and the mountain is at a very high elevation right? it is very cold and the pressure of the air is high. now when you go down, it gets warmer and the pressure isn't as bad.
Answer:
Explanation: Plankton. ... Plankton includes plants and animals that float along at the mercy of the sea's tides and currents. Their name comes from the Greek meaning "drifter" or "wanderer." There are two types of plankton: tiny plants--called phytoplankton, and weak-swimming animals--called zooplankton.