Diffusion is a concept that explains how humans transfer ideas, features, or trends from one group and place to another. This includes agricultural practices. In 1-2 sentences, describe some examples in which diffusion of agricultural practices has had a negative effect on humans or the environment.

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

You are a scientist who has been sent on a special mission to study plants and animals in south asia! your destination is an important forest in eastern india. you need to travel to 17°n latitude and 83°e longitude.

Which of the following regions suffers the most from acid rain? a. the area around vancouver c. the area below atlanta b. the area below detroit d. the area above montreal