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C should be correct answer
Answer:
The mass of A is 4000g.
Explanation:
First, divide 28 by 40. Then square root this to get the scale factor between them. (5 over 6). Mass is like volume in this case, so we need to cube 5/6 and then multiply that by 6912 to get the mass of A.
28÷40.32= 25/36
√25/36 =5/6
5/6³ x 6912= 4000g
A. The rate of photosynthesis must be greater than the rate of respiration
The slave trade was very detrimental to village life in west and central africa for mainly reasons, but mainly because slave catcher could come in at any time and tear a family apart.
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