<span>USGS is gathering information in the Arctic Ocean to study acidification and identify a baseline of information about the ocean's chemistry. This chemistry is expected to change due to decreases in the amount of summer sea ice.</span>
The central element for all living things is carbon, which is why you might often hear the phrase "carbon-based" lifeforms. Another term is often "organic matter"
Answer:
A. Excess fertilizer is washed into local streams,
causing an overgrowth of algae.
Explanation:
