The green sample possibly contains algae or some other sort of bacteria
Answer: I believe you are correct with assuming its D
The natural selection is selected by natural environment. It is a slow and long process, typically occurs when environment changes a lot. While selective breeding uses human interference and will accelerate this process.
The stress hormones epinephrine and norepinephrine are used by your body to respond to short-term stressors while the stress hormone cortisol provides a more sustained release of energy for prolonged stress.
Epinephrine and norepinephrine are produced by the adrenal medulla during the flight/fight stress response and increase blood pressure, heart rate, and glucose.
<span>The cortisol is steroid hormon with several funstions, one of them is to help the body manage stress</span>