PLEASE HELP QUICK I NEED THIS DONE BEFORE IT GOES OVERDUE IM IN K12 ILL GIVE BRAINLIEST

1 answer:

Vikki [24]3 years ago

4 0

1. A

2. B

3. C

4. C

5. A and B

(4 and 5 I am pretty sure of, judging from the images, but make sure that you think that yourself as well...)

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The body's first line of defence against shifts in pH is its acid-base buffer systems.

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