Through out history, people have been studying the living and nonliving world. what is the name of the formal procedure scientists use to study the world around them?

Previous pagenext pagepage 3 of 10question 3 (1 point)which of the following consist of cells that do not have a nucleus? of the above

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

Any sound above what db can cause hearing loss in human beings