Environmental Science
The sun emits a maximum amount of radiation at wavelengths near ____, while the earth emits maximum radiation near wavelengths of ____.

10 micrometers, 30 micrometers
0.5 micrometers, 10 micrometers
1 micrometer, 10 micrometers
0.5 micrometers, 30 micrometers

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Environmental Science
Which one is true?

commensalism when none of the interacting populations affect each other
commensalism when the interaction is useful to both the populations
symbiosis when the interaction is useful to both the populations
symbiosis when neither population affects each other

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