What percent of America's original forest remains today?

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?

This is the process of making a prediction based on the results of prior observations of similar events.

This is a biological reaction due to a stimulus. i need this quickly !