Question

How long ago do scientists think the solar system formed?(1 point)
Responses

4.6 billion years ago
4.6 billion years ago

4.3 million years ago
4.3 million years ago

2.6 billion years ago
2.6 billion years ago

6.2 billion years ago

Answers

GPT 3.5
Scientists think that the solar system formed approximately 4.6 billion years ago.
puppyhood
Why is deuterium oxide called “heavy water”?(1 point)
Responses

It has extra oxygen atoms.
It has extra oxygen atoms.

Its hydrogen atoms are heavier than others.
Its hydrogen atoms are heavier than others.

Its oxygen atoms are heavier than others.
Its oxygen atoms are heavier than others.

It has extra hydrogen atoms.

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