If you have done ODSSEYWARE please help Which of the following statements is correct?

1. The earth is cooled by terrestrial radiation.

2. The earth's temperature is not affected by solar radiation.

3. The earth is heated by terrestrial radiation.

4. The earth's temperature is not affected by terrestrial radiation.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

the sun creates it's own light, also gives light and life to bunch of stuff like plants,animals,humans etc.photosyntesis is the process of making food which needs sun,water,nutrients etc.

you're crazy : )

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