Plant! The membrane controls what goes into and out of the cells.
Answer:
Rain, sleet or snow
Explanation:
Acid rain results when sulfur dioxide (SO2) and nitrogen oxides (NOX) are emitted into the atmosphere and transported by wind and air currents. The SO2 and NOX react with water, oxygen and other chemicals to form sulfuric and nitric acids. These then mix with water and other materials before falling to the ground.
Answer: There is currently no cure for hemophilia.
Effective treatments do exist, but they are expensive and involve lifelong injections several times per week to prevent bleeding.The best way to treat hemophilia is to replace the missing blood clotting factor so that the blood can clot properly. This is typically done by injecting treatment products, called clotting factor concentrates, into a person's vein.