Which of the following is an exmaple of human impact on climate changes?

a) greenhouse effect
b) changes in solar output
c) global warming
d) changes in the tilt of earth's axis

What re the two main phrases of the cell cycle.

Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.

Which could be a pathway of food through an ecosystem