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3 years ago

7

Planet X is a terrestrial planet in our solar system. It has 21% oxygen in its atmosphere. Humans can walk on this planet withou

t the aid of a space suit. Based on the description, planet X is____ .
a.Earth
b.Mars.
c.Mercury
d.Venus

1 answer:

Maurinko [17]3 years ago

6 0

Answer: the answer is actually earth

Explanation: A

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