Which historic era brought around the largest increase in air pollution?
a. the rise of towns
b. the invention of fire
c. industrial revolutions
d. the age of exploration

Why had conditions in france deteriorated in 1778 and 1789

How did the minoan people become wealthy?

Which reason best explains why certain areas of southwest asia have low population density? a. the semi-arid climate makes farming difficult because it produces very little rainfall.b. the moist climate limits job opportunities because it reduces oil production.c. the semi-arid climate produces heavy rainfall that contributes to devastating floods. d. the moist climate reduces agricultural production by causing water shortages.