Chemistry, asked by Anonymous, 9 months ago

1._______is a gas that is essential for photosynthesis.
2. Air is really not one substance but a______​

Answers

Answered by manish7860
5

Answer:

a.oxygen(o2)

b.mixture

Answered by anna2230
1

Answer:

Here is your answer

1. Carbon Dioxide

CO2

2. Mixture

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