Question 2 How has population growth harmed the environment?
Forests have expanded in size.
Mining and drilling has increased.
More wind turbines are being built.
Solar panels have become commonplace.

Which statement best describes a significant cause of world war ii? o a. the economic boom that followed world war i allowed countries to build up huge militaries. o b. the treaty of versailles, which ended world war i, left lasting resentments in many countries. o c. the rise of imperial states in asia caused european powers to unite for their common defense. o d. the league of nations encouraged european states to form secret military alliances.