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Which element, that is essential for human life, is found in large amounts in both Earth's atmosphere and oceans? A) helium B) oxygen C) silica D) calcium
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24 votes
Which element, that is essential for human life, is found in large amounts in both Earth's atmosphere and oceans?

A) helium

B) oxygen

C) silica

D) calcium

User Sushma Satish
by
7.3k points

2 Answers

6 votes

Answer:

oxygen

Explanation:

we breath it every day

User Buraky
by
6.7k points
8 votes
C)silica lol i just did this question
User CuriousCase
by
7.2k points
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