Function of integumentary system: PROTECTION<span>- barrier against infectious, chemical, radioactive, and physical damage.
- keratin and junctions block bacteria, fungi, and blunt objects.
-macrophages identify foreign particles and activate immune response.</span>
It was an asteroid that came to earth two billions years ago and scientists says that there might be another one coming.so we might live in space for a couple of months or years. so that why the dinosaur die.
I don’t know the answer to this question
Earth has water. This is crucial to diversity. It also has many climates and ecological niches.
Answer: 4 sources energy the first the sun sencod wind third batteries fourth a wind mill
Explanation:because all of these give off energy