The sun's is only visable during a solar eclipse

How does human environment effect the biosphere

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis