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Which of the following most accurately explains the origin of elements on Earth?

options:

Formed by nuclear reactions in massive, ancient stars.


Formed by radioactive decay deep within Earth's core.


Formed by black holes scattered throughout the galaxy.


Formed by comets and asteroids falling to Earth.

2 Answers

11 votes

Answer: A

Step-by-step explanation:

The best theories predict that planets form in really dense stars. The pressure becomes so strong inside of the dense stars, that the hydrogen and helium collapse to form even denser elements like iron or nickel.

User Had
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4 votes

Answer:

Answer option 1

Step-by-step explanation:

User SEG
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