Answer:
They used relative dating to date the Burgess Shale fossils.
Explanation:
Absolute dating wasn’t discovered yet.
Answer: At night when no light is present plants can only utilize cellular respiration so the overall net change of co2 they "consume" is pretty low but still beneficial at the rates humans seem to be dishing co2 out.
Answer:
<em>Ecological succession</em>
Explanation:
Ecological succession can be described as a series of processes by which a climax community arises gradually in an area where there was no form of life before or the previous ecosystem was destroyed bu disasters such as fire, flood etc.
Ecological succession is of two types:
Primary succession occurs on lands where there was no form of life before. On the other hand, secondary succession occurs in lands where there was an ecosystem before which was destroyed.
B. osmosis..
is water movement through semipermeable membran bcz different concentration of substances