Question

FIRST ANSWER:50%
SECOND ANSWER :800

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Answer 1

First,

i)35%+30%-15%=50% Answer

and , (ii) then if 400 passed in both so It is 50% given there , So 15% failed in both so , 35%+30%-15%=50% is equal to 400 so 50%+50% = 400+400= 800 Answer.

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Answer 2

Answer:

the process by which green plants turn carbon dioxide and water into food using energy from sunlight