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Question

Question
Which of the following is a key characteristic of all planets?(1 point)
Responses

They are made up of mostly ice and dust
They are made up of mostly ice and dust

They orbit the sun and shine by reflecting light
They orbit the sun and shine by reflecting light

They are small rocky objects the burn upon entering Earth's atmosphere
They are small rocky objects the burn upon entering Earth's atmosphere

They have a tail that extends as it moves through space
They have a tail that extends as it moves through space
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Answer 1

The key characteristic of all planets is:

They orbit the sun and shine by reflecting light.

This describes how planets are defined in our solar system, as they orbit the sun and do not produce their own light.