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san4es73 [151]
3 years ago
15

30 POINTS!

Biology
1 answer:
vagabundo [1.1K]3 years ago
5 0
The answer is D 2 long and 2 short
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1. 1 Water makes up between 70-90% of the weight of most life forms, and nearly all chemicals present in living matter are solub
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The correct model is D.

Note: The first attachment below shows the different models. The second attachment shows the correct structural model of the water molecule.

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3 years ago
dogs once covered the expanses of the Great Plains. Their grazing made the grass more nutritious for the huge herds of bison, an
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Explanation:

From the information given in the question, we are told that the expanses of the Great Plains, which was once occupied by the prairie dogs have been reduced in size due to increased housing and agricultural developments. This implies that, the habitat, which is natural to the prairie dogs has been reduced in size, in another word, their fundamental niche has been compromised.                                                                                                                                                      

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3 years ago
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