Question

1). What is essential for our existence?
___________________.
2) For how many days a person can survive without water?
1)20
2)30
3)Less than a week.
4)10.​

Answer 1

Answer:

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Explanation:

1) Oxygen

2) less than a week.

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Answer 2

1. Oxygen is essential for our existence.
2. A person can survive without water in less than a week .

Hope this answer helps you friend ♥️