The answer is (1) because the carbon in the trees is released when it burns and this is the cause of global warming (in part)
It is not (2) because, I don't really know but it's not.
It is not (3) because it is exposing more sunlight and even that hardly affects it
And it is not (4) because biodiversity is the variety of species living in the forest so cutting them all down would just destroy their habitat and they would have to leave.
This question appears to be incomplete. During blood doping, the athlete will have blood drawn and stored. The athlete will then allow sufficient time for the body to replenish the removed blood. Immediately prior to the event, the athlete will inject the stored blood back into his/her system. Blood doping<span> effectively increases the number of </span>red blood cells<span> in the bloodstream to above normal. This enhances performance because blood cells carry </span>oxygen<span> from the </span>lungs<span> to the </span>muscles<span>, and a higher concentration of oxygen in the blood can improve an athlete’s </span>aerobic capacity<span> a</span><span>nd </span>endurance.
Answer:
Up to 60% of the human adult body is water. According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.
Explanation:
Hope this helps!!!
Answer:a is the answer Your welcome:)!
