What does water pollution most directly cause?
o plant damage due to acid rain
o harm to aquatic animals
o increase of soil erosion
o expansion of infertile land

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.

1.     in what kind of government does a small group have a firm control over a country?  

How did the international community respond to south africa’s policies in the 1980s?