Answer: Option B.
Natural flow due to pressurized reservoir.
Explanation:
Primary production is the process where natural materials is extracted from the Earth. It refers to natural way of producing things. It is also defined as the process where raw materials are extracted or gotten.
Natural flow due to pressurized reservoir shows that it was done naturally without artificial support or effort for the water to flow.
C) they are passed onto offspring
All of Darwin's selections are based upon the tenet that they are heritable, which is to say passed from one generation to the next
The answer is d. niche
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The statement "The weather was wonderful! It was cold and rainy all weekend." is an example of irony. The correct answer is D.