Need which of the following describes the most likely impact that exposure to pollutants in the atmosphere would have on one’s personal health?

it would stop cell-mediated immune responses.
it would lead to upper respiratory infections and pneumonia.
it would increase the release of red blood cells.
it would decrease one’s ability to produce antibodies.

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

As a small change in a person's dna can cause a genetic disorder

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous