2.1 Which of the following types of molecules is NOT one of the four primary biomolecules? a. carbohydrates
b. proteins
c. nucleic acids
d. lipids
e. fruc

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

Organize the word parts according to where they appear in a medical term.

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000