Answer:
B. Convergent and subduction zones can cause trenches
Explanation:
Cells within the body are properly arranged and their production uses up resources of the body. For example, red blood cells use iron while being produced. The body must dispose of cell properly to maintain the orderly arrangement of cells; for example, if dead skin cells were not removed, we would lose feeling in our skin due to the layer of dead cells. Moreover, the body must work to minimize wastage. This is why some of the iron from red blood cells is removed and reused.
<span> a mode of natural </span>selection<span> in which an extreme phenotype is favored over other phenotypes, causing frequency to shift over time in the direction of that phenotype.</span>
<span>a. the effect of oil spills on marine animals</span>
During the growth of crystals astronauts study and perform this action while in the space stations. The astronauts freeze a certain liquid that turns into a solid. The solid form forms a certain pattern that is “special”. The materials that group together form the actual crystal.
