Unit 5: Environmental Issues in Africa

Front

What is one of the major problems facing those who depend on the Nile River for their water?

Back

The water is contaminated with human and industrial waste.

Front

How did the Aswan High Dam change Egyptian farming?

Back

The Dam has allowed year-round irrigation.

Front

What is silt?

Back

rich topsoil carried from one location to another by floodwaters

Front

Continued use of chemical fertilizer causes what to build up in soil? Options: silt, salt, animal waste, rocks and gravel

Back

salt

Front

Which BEST describes a major use of the Niger River?

Back

used for transportation and agriculture

Front

Which BEST describes a major use of the Congo River? Options: irrigation of farmland, supplying water to Egypt, water only for rainforest animals, transportation of goods and people from the interior of Africa to the Indian Ocean

Back

irrigation of farmland

Front

What do people believe might lead to "water wars" in Africa in the future? Options: demands to reroute water to the deserts, competition among countries that share a river system, demands to reroute rivers to supply water to the rainforests, UN decrees telling African nations how to share water

Back

competition among countries that share a river system

Front

Why do some governments ignore industrial pollution of major rivers and waterways?

Back

They want the industries to be profitable.

Front

What destroyed the grassland and forests that were once found in the Sahel? Options: years of heavy flooding, the development of factories, continuous farming and over-grazing, repeated use by nomads and camel caravans

Back

continuous farming and over-grazing

Front

Why are droughts a problem for farmers in the Sahel?

Back

the soil is of poor quality and dry conditions result in even fewer crops