All arteries leaving the heart, arteries carrying blood to the body, (I'm not sure about pulmonary arteries, but since it is an artery I am assuming it has oxygenated blood", and the aorta
Answer:
Excess nitrogen can cause over-stimulation of growth of aquatic plants and algae. Excessive growth of these organisms, in turn, can clog water intakes, use up dissolved oxygen as they decompose, and block light to deeper waters. So few organisms live in these conditions or even can suffocate and die.
It is when their is sort of a dent somewhere on your body, dimples are usually found on the face, and sometimes you may only have a dimple on one side of your face
the main human activity is air pollution
Answer: D. Extinctions occur at higher rates during times of ecological stress when populations and species are poorly adapted.