<span>systematic knowledge of the physical or material world gained through observation and experimentation.</span>
Answer:
Your blood is made up of liquid and solids. The liquid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets
Explanation:
Some reefs cannot survive in certain temperatures of water, and so they would die if the temperature is not correct.
The answer is: B. Barometer
I think its D because my D is what you gotta put in your mouth