Answer: Even though there are smalll amounts of these gases, they can have a major effect on Earth. For example, increased amounts of carbon dioxide are having a major effect on global warming. :)
Answer:
I think its B, not fully sure
<span>The phosphate enters the ecosystem and becomes tied up in the biogeochemical system where it is recycled. The rapid growth of aquatic vegetation and/or increase in the algal population can cause the death and decay of vegetation and aquatic life because of the decrease in dissolved oxygen levels.</span>
The sediments that is composed of mineral grains that are
eroded from the continental rocks is called terrigenous. The terrigenous
sediments are obtained from the erosion of rocks that occurs on land and that
they are being stored in the submarine canyons.
