Answer: d Explanation: runoff is water on the ground or In trees, mountains, ect. It makes sense that if would flow across the ground into bodies of water, and freeze on the ground, but does not make sense that it would be in the form of water vapor. That would simply be water vapor. Hope this helps :)
Change to the landscape from construction. The answer is c because if there is construction, they are probably building something on top of what used to be that ecosystem.
