Answer:
Enzymes speed up the chemical reactions in living cells.
Explanation:
An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell. The enzyme is not destroyed during the reaction and is used over and over.
To determine if your hypothesis was correct for future reference
Answer:
Answer: Water rise to tall trees by suction pull during day it is low but during night time it is fast. during night time transpiration is fast and transpiration create a pressure also called transpirational pull which cause root water to move at leaves.
Explanation:
When someone is HIV positive it is their immune system is deficient this can lead to AIDS or other serious infections
Answer:
Natural air pollutants include radon, fog and mist, ozone, ash, soot, salt spray, and volcanic and combustion gases.