Calculate population density

population=300
Area (km)2 = 40
population density=?

Which of the following statements best explains the relationship between medicines and concerns about the shrinking of the amazon rainforest?

Dentify one advancement from the industrial revolution that had a significant impact on agriculture, and discuss the benefits this advancement had on the industry.

Mosses, lichens and shrubs can be found where in russia? a.grasslands b.mountain regions c.coastal plains d.siberian tundra