The amount of light entering the eye is controlled by the pupil, which is surrounded by the iris.
Reproduction is important for survival because it prevent extinction and some individual living things may not preproduce because of mutations in the cells
The thing that is happening when you gargle with salt water is you are creating a high-salt barrier. As a result fluids are pulled out from the tissues in the throat area and the viruses are washed out. Fluids (water) are moving down the concentration gradient (to the area with the high salt concentration) and this is an example of passive transport.
<span>Answer: C. Time of ancient life.
Paleozoic comes from Greek word palaios which means "old" or "ancient", and zoe which means "life".
it could be translated as "</span>Time of ancient life". The range of Paleozoic era is from <span>541 to 251 million years ago that could be divided into 6 smaller periods.</span>
C. Makes the most sense to me
