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shepuryov [24]
3 years ago
12

Most living things need oxygen to survive. These two body systems bring oxygen into your body and then move to all your body par

ts. What are these two body systems? A) respiratory and muscular B) digestive and circulatory C) respiratory and digestive D) circulatory and respiratory
Chemistry
2 answers:
77julia77 [94]3 years ago
8 0
The answer is <span>D) circulatory and respiratory</span>
Murljashka [212]3 years ago
7 0
Your answer would be D. As the circulatory system pumps oxygen rich blood through the body, and the respiratory system helps you to breath. Hope this helps!
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sleet_krkn [62]

The anti periplanar geometry for the E2 reaction of (CH3)2CHCH2Br with base is shown in the image attached as well as the structure of the product formed in the reaction.

In organic chemistry, an antiperiplanar conformation is one in which the groups point up and down at a dihedral angle of 180° away from one another. In the image attached, the antiperiplanar conformation of (CH3)2CHCH2Br is shown.

Recall that an E2 reaction is a synchronous elimination reaction where to atoms leave at the same time. The product of this reaction is also shown in the image attached.

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nikitadnepr [17]

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