Answer: 1
Explanation: We are taking oxygen out of the air to breathe carbon is oxygen!
Answer:
Mississippi River Watershed
Explanation:
The largest watershed in the United States is the Mississippi River Watershed, which drains 1.15 million square miles from all or parts of 31 U.S. states and two Canadian provinces stretching from the Rockies to the Appalachians!
Mitosis and Meiosis
Hope that helps, Good luck! (:
All this combined = rise in fatalities which = less reproduction = lower population
Answer:
Yet, nerve cells in your brain, also called neurons, do not renew themselves. They do not divide at all. There are very few exceptions to this rule – only two special places in the brain can give birth to new neurons.
Explanation: