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Which of these statements best describes a difference between the two layers?

Layer A is gaseous and Layer B is mainly solid.
Layer B is gaseous and Layer A is mainly solid.
O Layer B is liquid but Layer A is solid.
O Layer A is liquid but Layer B is solid.

1 Answer

3 votes

Hi!

Could you please be more specific, so that I can answer your question properly? Layer of what?

User Novus
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