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Ivahew [28]
3 years ago
7

What occurs when someone exhales? A. The rib cage contracts, but the diaphragm relaxes. B. Both the rib cage and the diaphragm r

elax C. Both the rib cage and the diaphragm contract. D. The rib cage relaxes, but the diaphragm contracts
Biology
2 answers:
bixtya [17]3 years ago
8 0

Answer:

Answer is A ............

Edit: its actually D... i just verified

Hatshy [7]3 years ago
4 0

Answer:

The answer be D if you doubt you can try out the practical yourself.

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3 years ago
The correct answer will get Brainliest!
Leto [7]

Answer:

Diversity of the community = 2.097

Explanation:

Given:

Number of pitch pines = 134

Number of douglas firs = 24

Number of red pines = 53

Find:

Diversity of the community

Computation:

Simpson's diversity index = N(N-1)/Σn(n-1)

Particular              n n(n-1)

Pitch pine         134       17822

Douglas firs       24 552

Red pine            53  2756

Total       N=211 21130

So,

D= [211(211-1)] / 21130

D = 2.097

Diversity of the community = 2.097

7 0
3 years ago
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Amanda [17]
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3 years ago
A. Of the 100 cells shown, how many are in the process of dividing?
vivado [14]

Answer:

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Is climate change man-made or natural
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