Answer:
B - earthquakes
Explanation:
the movement in the earth' plates causes earthquake.
Answer:
digestion
i think this is the answer
D is the answer because carbondioxide and oxygen are both needed for plants or green plants to survive.
I hope it helped
Traits were either dominant or recessive of either parents pea plant.
Answer: ozone concentration
Explanation: The Dobson Unit is the most common unit for measuring ozone concentration. Becuse ozone concentration is hard to measure they use The Dobson Unit.