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Nasa sends a rover to Europa and announces they discovered life there that is the same...

Nasa sends a rover to Europa and announces they discovered life there that is the same size as bacteria found on Earth. Come up with a hypothesis on whether that life originated on Europa or not and describe a test that can verify (or refute) your hypothesis.

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Answer #1

The following possibilities are as follows :-

1) It may be the beginning of life on Europa, as we know that life on earth evolved from primitive cells.

2) If the climate conditions are same as earth like- temperature, humidity, soil etc. It is quiet possible that life originated on Europa.

3) If the same bacteria has been found on Europa as on Earth, then their is a possibility that their might be some kind of contact between Europa and Earth in the past.

4) May be in the past creatures of earth visited Europa.

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