Answer:
Possibly the addition of oxygen from the atmosphere
Explanation:
Answer:
Liters
Explanation:
Just like meters, liters is used to calculate large volumes of liquid, not solids. :) I hope this helped!
Answer:
Petroleum and treating meals.
Answeeeeer:
A. cell
Explanation:
Since A is the smallest in the chart, that would correspond to the cell because thats the smallest out of Tissue, Organ and Organism.