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koban [17]
3 years ago
15

Bioaccumulation of this chemical lead to bird eggs with weak shells and nonviable offspring:

Biology
2 answers:
Olin [163]3 years ago
7 0
Bio accumulation of DDT lead to bird eggs with weak shells and non viable offspring. The lethal effects of DDT on birds was first noted in 1950; scientists discovered that earthworm was accumulating the DDT pesticide and that the robins that were preying on the earthworms were been poisoned. Further research revealed that the chemical cause thinning of the egg shell and production of non viable offspring. The chemical has since been banned in USA.
ELEN [110]3 years ago
6 0
Bioaccumulation of the chemical DDT lead to weakened shells in birds, especially those of eagles.
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Considering the ATP cycle, which of the following would have the most potential energy to perform work for cell activities? A. A
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2 years ago
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4 0
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Natasha_Volkova [10]

The value of the unknown number is 10.5.

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When 20 is subtracted from the number and the result is squared which is equal to the square of the unknown number minus 20:

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<em>collect similar terms together;</em>

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Thus, the value of the unknown number is 10.5.

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