The tool u would use is a graduated cylinder
Answer:
The answer is B.
Explanation:
When you skin your knee, cells divide to replace old, dead, or damaged cells.
There are plenty of plants producing oxygen by photosynthesis.
Also, human's only use 5% of the oxygen in the air in respiration, there is 21% in the air.
Answer:
friction
Explanation:
t
rubbing hands together causes hea