Answer:
H20
Explanation:
Because without water you will die faster then without food
B. Is characterized by four different zones.
The answer to the question is c) a dendrochronologist interprets tree rings
Answer:
The levels, from smallest to largest, are: molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.
Explanation:
Scientists<span> are people who use research and experiments to learn more about the natural world. </span>Scientists<span> use scientific methods to derive knowledge systematically, performing repeatable experiments to ensure that their conclusions are valid and accurate.</span>
