You should not, EVER, cut the renal artery. Doing so not only means that blood is no longer going to that kidney, but just as well, blood can't be filtered.
An environmental group claims that a local chemical plant is polluting a nearby river. They are calling for a shutdown of the chemical plant. The evidence that would help you the most in evaluating the claim would be (A) a repeated study that shows chemicals produced by the plant are in water harming fish or other wild life. (The answer is A.)
They're plant cells. The green organelles should be chloroplast. They're responsible for photosynthesis.
medical waste is most often collected in biohazard bags or containers and incinerated. The heat kills bacteria and other pathogens that would re-infect surfaces, and workers.
