False, there are lots of biomes on earth.
Answer: A
Explanation:
Oxygen makes up another 20 to 21 percent of our atmosphere. It's essential for life on Earth, and interestingly enough, it is poisonous when highly concentrated. Our concentration of 20 to 21 percent seems just right.
Answer:
Gravity provides and attractive force that keeps the chunk of matter in orbit around the sun
Answer:
A.Photovoltaics would be the answer.
Explanation:
Hope it helps!!!