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2 votes
PLEASE HELP ME I AM TIMED!

PLEASE HELP ME I AM TIMED!-example-1
User Nik Bo
by
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2 Answers

4 votes

Answer:

B

Step-by-step explanation:

User Jonas Sourlier
by
7.5k points
3 votes

Answer:

they all need a source of oxygen

User Bob Lukens
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7.7k points