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4. How many trees does it take to Provide a day's supply of oxygen For 4 people? a) 1 b) 5 c) 30 d) 50​
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4. How many trees does it take to Provide a day's supply of oxygen For 4 people?

a) 1
b) 5
c) 30
d) 50​

User Vitor Venturin
by
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1 Answer

7 votes

1 tree provide oxygen to 4 people in a day

User Stefaan Dutry
by
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