It is a true fact that raw sewage can cause eutrophication in a body of water. The correct option among all the options that are given in the question is the first option or option "a". The addition of excess amount of organic matter like manures, sewage can cause eutrophication. I hope the answer helped you.
The answer is true. Fossils are formed deep under the ground.
Happy Studying! ^=^
Escavation and soil replacement
Answer:
The maritime effect.
Explanation:
The maritime effect is the moderating influence that the ocean has on the climate of a region. In the case of the easternmost states in the USA, the proximity to the ocean and the more moderate maritime air masses usually prevents the most frigid Arctic cold from parking over the region for too long.
