Which organ is part of the integumentary system?

lungs

skin

stomach

heart

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

In what for do plants utilize nitrogen? why do they need nitrogen?

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?