Red cells take up 40%-50% of the total blood volume
<h2><u>Answer:</u></h2>
The 4 principle requirements for microorganisms survival are:
1) Food
2) Moisture
3) Warmth
4) Time
There are microscopic organisms that can develop in cold temperatures and some that blossom with warm temperatures.
A few bacteria go after the other microscopic organisms for survival. Different microscopic organisms get by getting supplements from dead items. Some microorganisms use photosynthesis to make their nourishment.
If this is for the scientific process unit, the answer is passing laws to prevent certain types of scientific research. I know because I had this question in biology.
Answer:
zinc oxide is a pure substance
I would believe a. prophase
