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igor_vitrenko [27]
4 years ago
10

PLEASE HELP ME ASAP!! :(!! I REALLY NEED HELP WITH THIS!!

Biology
1 answer:
guapka [62]4 years ago
4 0
The one for the cells is the
cells need to be able to get oxygen gas nutrients and get carbon dioxide out quickly.

i’m not sure for the other ones
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An individual’s EKG shows changes in atrial contraction. Which image shows contraction of the atria?
Jlenok [28]

The right answer is The first image (the left one).

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7 0
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An astronomer states that Star P has a lower absolute brightness than Star Q. How would you translate this observation for a non
aleksandr82 [10.1K]

Answer:

Star P is smaller than star Q

Explanation:

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