I think it's A. They have a cell membrane.
Hope this helps!
Ex. Air freshener.
simple diffusion is the process of a substance (such as air freshener) moving from high concentration to low concentration with little to no energy.
It is killing of population forcing us to self quarantine and stay away from people. Quarantine is marking many people depressed because we can’t talk or visit people face to face and it’s harming many people with anxiety and depression it’s making them worse.
Explanation:
Due to the reduction in large industrial emmissions such as fertilizers into water zones.
Answer:
<em>b. Generally, the quality of life is directly related to an area's energy use per person.</em>
Explanation:
The quality of life is directly proportional to the amount of energy being used. The more the amount of energy the more the quality of life will be enhanced. For example, the life of a person who uses much electricity and fuels will be better than the person who cannot use electricity or fuel. Hence, the correct option is b.
