Africa

occurs when harmful substances—often chemicals or microorganisms—contaminate a stream, river, lake, ocean, aquifer, or other body of water

• desertification

• water pollution

• deforestation

• trade

Most African countries have...

• very little clean water

• no clean water

• plenty of clean water

• all of the above

What has caused serious economic problems for many African countries?

• job loss

• poor education

• Not having running water

• All of the above

Drought

• fetching water

• slow economic growth

• long periods with very little rainfall

• unemployment

the state of being extremely poor

• wealth

• Limited

• pollution

• poverty

Why do people who live in areas with drought, often face famine and die of starvation?

• crops wither away

• livestock dies

• A and B

• pollution from factories

Overpopulation

• Having a low population

• a species' population exceeds becomes so excessive that people deem it must be managed

• unlimited resources

• thriving economy

Deforestation

• good for the environment

• amount of oxygen

• the process of forests being destroyed to make for human development

• a type of disease

the main cause of deforestation

• commercial logging

• drought

• pollution

• infections

what is commercial logging?

• shooting advertisements

• hiking in the trees

• building animal habitats

• cutting trees for sale as timber or pulp