In order to construct a valid criticism, it is important to a. come up with a list of your opinions on the subject b. get the opinion of a peer on the subject c. research data on the subject, and analyze it for reliability d. consider only one factor that may contribute to a possible outcome

Option (c) is the correct answer.

Explanation:

Valid criticism means that to disapprove or disagree with something.

For example, poverty is a valid reason for sadness or unhappiness.

Therefore, in order to construct a valid criticism it is important to go through the matter and analyze it whether it is actually in favor or against an opinion.

Thus, we can conclude that in order to construct a valid criticism, it is important to research data on the subject, and analyze it for reliability.

explanation:

they can be good for the ecosystem

ability to bond woth oxygen