Answer:
mechanical waves
Explanation:
They require a medium to travel through.
Answer:
Point C
Explanation:
Oxygen is a by-product of photosynthesis, so when the oxygen production is at its highest, photosynthesis is also at its highest.
Answer: It's B because there is more force pulling to the left.
Hope it helps. Brainliest?
I was told plankton made the earths atmosphere breathable but probs wrong
Answer:
oldest layer on the bottom and newest on the top
Explanation: