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Air bubbles come out of the bottle and water starts entering into it.
Plants use carbon dioxide to make food for themselves.
The major components of air are nitrogen and oxygen.
It is the central female part of a flower consisting of ovary, style and stigma.
Stamens, the male part of a flower consists of thin green stalk called filament.
(i) Sepals (ii) Petals (iii) Stamens (iv) Pistil