What type of air pollution was caused by factories during the industrial revolution

a smoke from burning coal

b soot from forest fires

c smog from high pollen levels

d smoke from vehicle exhaust

Those who resisted the mongol invaders were attacked and their towns burned; those who cooperated with them also were attacked and had their towns burned. were treated fairly. were taken into the tribes and treated as mongols. were sent away to find new homes.

In an industry in which there are several providers of a type of good, why can one business not charge much higher prices for their goods?

Interest groups representing businesses and investors are often among the most successful lobbying groups for all of the following reasons, except a. such groups have the financial resources to mount sustained campaigns on their own behalf b. these groups' members contribute heavily to many legislators' campaigns and in so doing gain greater access to legislators c. these groups have often been in existence for decades, allowing them to both master the legislative system and develop close ties with legislators d. the members of these groups make up the majority of voters in many districts