Which part of a plant works as its “nostrils"?
A. stoma
B. guard cells

C. chloroplasts

D. all of the above

B

Explanation:

the stoma or stomata acts as the nose of the plant.

a few examples of ethical concerns involving genetically engineering of humans include

-privacy of genetically tested people

- potential side effects

-long term effects

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.