Planting grass and trees would stop erosion.
Answer:
C. A single individual would have to gain control from an elite few.
Explanation:
In order to change an oligarchy into an autocracy, a single individual would have to gain control from an elite few. Autocracy refers to a system of government in which one person with absolute power rule over the whole country. In autocracy, a high rank military general have absolute power because the whole military is present under it and he can maintain its control over th country with the use of military forces.
Got this from google, scientists count a species population by first knowing the population in a certain area or small geographical sample location then multiply the result by the total area.
B.) constructive process
Deposition is depositing material which is constructive