Question

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The Earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. Which one is not a possible hypothesis of how life on Earth arose?

A) From RNA to DNA.
B) From the formation of metabolic networks.
C) From inorganic molecules to organic molecules.
D) From cells that were delivered by meteorites from outer space.

Answer 1

Answer:

A hypothesis that is not possible, or has less strength, to explain how life arose on Earth is that it originated from cells that were delivered by meteorites from outer space (option D).

Explanation:

Although it is a hypothesis that has scientific foundations to be considered, the origin of life coming from organic molecules or cells from space -called Panspermia- has not been completely proven because:

• It provides information on the origin of cells or organic matter, but it doesn't specify how life was formed from them.
• It does not resolve the question of how a cell could withstand a journey through space or endure the high temperatures when a meteorite entered the primitive atmosphere.

These arguments make the hypothesis of the arrival of the first cells from outer space the least accepted today.

Learn more:

Origin of life brainly.com/question/90917

Answer 2

Answer:

D) From cells that were delivered by meteorites from outer space.

Explanation:

I put "A" for the usatestprep quiz because that's what the other person said the answer what, I got it wrong, the right answer is option "D"