I think it is C, since it does occur on land life, and I think it also occurs in marine life.
I truly believe the answer is choice A.
Below are the choices:
<span>a. creating an online chat group for asking questions and posting solutions
b. establishing a standard method for delivering the results to the teacher
c. offering a wide variety of rain gauges for everyone to choose from
d. using a standard unit of measure for the duration of the study
</span>
the answer is D. I hope it helps.
The names of most enzymes end in "-ase." Some enzymes which have been known longer have older names that don't end in "ase." For example: pepsin, trypsin, and chrymotrypsin which are all enzymes localized in the digestive tract. hope u got the point
<span>The answer is poly-abuse, due to his addiction to many different forms of drugs. This is a very dangerous form of drug addiction because of the mixing of the chemicals inside the body can give adverse effects when combined.</span>