How do scientists communicate data accurately with one another? A. They multiply their measurements together.
B. They use a universal system of units.
C. They average their measurements.
D. They make flash cards.

Its B. They use a universal system of units.

a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere.

the answer is "a.) well–developed vascular system."

explanation: