Answer:
Because pioneer species are the first to return after a disturbance, they are the first stage of succession, and their presence increases the diversity in a region.
Explanation:
Note: They are usually a hardy plant, algae or moss that can withstand a hostile environment
A.) ethical is a concern raised
Answer:
D.
Explanation: Ecology: relation of organisms with one another or their surroundings.
Oh the answer is the Mantle, You can look at a chart and easily find the answer if you don't believe me. But here is a reasoning; Magnesium as well as Aluminum are located within the Mantle.
Answer:
The correct answer is option B. "It disrupts a larger area and produces less oil than drilling".
Explanation:
Oil extraction from tar sands is an inefficient way of extracting oil from a mixture of oil, sand, clay and water. The oil extraction from tar sands requires a considerable amount of energy and water and generates more pollution than oil drilling. Another downside of this process is that it disrupts a larger area and produces less oil than drilling. It is estimates that to produce one barrel of oil, 2 tons of oil sand should be processed.
