A. Increase in soil fertility
Answer:
Beards itself are not intelligent, however, they do make people appeaar smarter and more knowledgeable.
Explanation:
While I don't have anything to prove this except for the fact that on various surveys many more people find them more intelligent looking than others.
Answer:
Insufficient dissolved oxygen in the water can cause: death of adults and young reduced growth failed eggs and larvae changes that occur in the species in various water bodies.
