Which was a major cause of environmental pollution in american cities during the late 1800s?
a. wastewater discharge from hydroelectric power plants
b. chemicals used in dry cleaning shops
c. large numbers of horses used for transportation
d. dust storms blowing in from the great plains

Identify the inappropriate shift or inconsistency of verb mood in this sentence. he was fond of his little sister, and if you have a loveable sibling you would feel the same thing yourself. a. from imperative to indicative b. from conditional to imperative c. from indicative to conditional d. from interrogative to subjunctive

During the invasion of the soviet union, the einsatzgruppen did which of the following? killed large numbers of jews, as well as many locals. led military troops. eliminated local administration in lithuania. took over many administrative functions in the war effort. planned and organized extermination camps.

Which answer best describes an advantage of shipping goods by canal? a) most towns would rather have canals then noisy railroads b) goods could travel very fast downstream in the canal system c) traveling by boat is a much more relaxing way to transport goods. d) heavy loads of goods could travel by boat more easily then if pulled by horses.