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i think you want &quot;accept as answer&quot; rather than close.<br />

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I'm little confused! &nbsp;Do I need to do anything to close this question?
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I have two questions.<br />
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1. What refers to all of the frequencies or wavelengths of electromagnetic radiation?<br />
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2. What provides information about weather, temperature, land use, and changes on Earth over time?
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I have two questions.

1. What refers to all of the frequencies or wavelengths of electromagnetic radiation?

2. What provides information about weather, temperature, land use, and changes on Earth over time?

i think you want &quot;accept as answer&quot; rather than close.


I&#39;m little confused!  Do I need to do anything to close this question?

What provides information about weather, temperature, land use, and changes on Earth over time?

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