Classification is not a useful tool and is not necessary in science.

True
False

False

Explanation:Most Scientific studies  start with a question, and then is later awnserd by using infomation that person has gatherd leaving that, the info is their tool.

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

hope this

i am brianly

sorry if this doesn't

answer; the values, beliefs, and assumptions about appropriate behavior that members of an organization share;