Hummingbirds can fly as fast as 60 miles per hour. One reason why its a scientific question is because of their speed. Their speed is very different compared to many other animals. I hope this helps :)
Answer:
it regulates the calcium levels in the blood
Explanation:
I think they're set in a vertical motion. Up to the crest and down towards the trough. Something about kinetic energy
Electrons are found outside the nucleus.
Answer:
A. a cell process that releases energy from food
Explanation:
