James wants to know the effect of studying an extra 10 minutes each day on his Biology grade. What is the IV? (time studying or grade)

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

this might

hybridization actually occurs frequently in nature. evolution is derived from the process of hybridization that creates things with different traits. this leads to the species changing and evolution occurring. hope this : )