Answer:
We should be concerned because it affects the air we breath, and the climate of our planet. With the increased amount of gases, heat is increasing, making glaciers melt, and tempertures rise more and more each year.
hope this helps :)
Explanation:
Answer:
Biological evidence of the age of the earth includes radioactive dating of rocks, fossil evidence, comparative anatomy and molecular clocks
The largest single part of the shark's nervous system is the brain. Sharks are one of the smartest organisms that thrive in the deep sea. They have specially evolved brains that are capable of hunting and communicating with other sharks. Their keen sense of understanding helps them understand information presented to them and then later on converting this into information that they can use in the future.
Answer:80
Explanation:
the answer is 80 because you just do 705-625= 80
