Question

Which among the following sentence is true? * a) Carbon dioxide helps in burning of candle b) Soil organisms and plant roots respire air in the soil c) Component of air necessary for photosynthesis is oxygen d) Air does not play any role in water cycle.

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

c) components of air necessary of photosynthesis is oxygen .

Explanation:

Photosynthesis is the process by which the green plants prepare their own food by their own with raw materials like water, carbon dioxide, sunlight (also minerals from the soil). The leaves of the plant used to absorb the sunlight for its energy. ... The oxygen is the product from photosynthesis.