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docker41 [41]
3 years ago
15

Which describes gas exchange in the respiratory system?

Biology
2 answers:
kvv77 [185]3 years ago
7 0

Answer:

A

Explanation:

kolbaska11 [484]3 years ago
6 0

Answer:

A.

Explanation:

A. Gas exchange happens through diffusion.

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needed

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What is another wavelength that we cant see
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ultraviolet wavelengths

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a polymer bcz it contains more than 10 residues and all others are single residues.

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Mekhanik [1.2K]

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Read 2 more answers
Girdling a tree involves cutting a deep groove all the way around a tree trunk; it would have the effect of:
wlad13 [49]

Answer:d. interrupting the passage of phloem sap and killing the tree.

Explanation:plants contains vascular bundles for conducting water and salt and dissolved food , throughout the plant.the vascular bundles; xylem and phloem are located close to the bark of the tree.

Girdling a tree involves cutting a deep groove all the way around a tree trunk.this is done to kill the tree.the phloem is removed along with the back of the tree.the xylem might remain intact.the phloem functions primarily to move food materials from one part of the tree to another.when it is removed,food materials produced in the leaves cannot get to the root.

After a while ,the root dies and so does the tree

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