Uni8t 4 test Revoiew

What is the main cause of smog in Mexico City?

• Logging

• Lots of Cars

• Overpopulation

• Deforestation

What is deforestation?

• Cutting down or destroying a forest

• Building factories

• Creating new roads

• Planting new trees

Which gas is primarily responsible for making the planet hotter?

• Helium

• Carbon Dioxide

• Nitrogen

• Oxygen

What type of government does Cuba have?

• Democratic

• Republic

• Autocratic

• Monarchy

What is the effect of rainforest destruction on climate change?

• Increases oxygen levels

• Decreases carbon dioxide

• Increases carbon dioxide

• Decreases global warming

What is the role of a political party?

• To enforce laws

• To manage public services

• To share ideas about how the government should work

• To control the economy

What is the main reason for building roads through the rainforest?

• To increase tourism

• To improve transportation

• To invite more people to clear the land

• To protect wildlife

What is the impact of overpopulation in Mexico City?

• Improves air quality

• Decreases pollution

• Increases demand for energy and transportation

• Reduces traffic

What is a characteristic of a democratic government?

• Citizens have no say in elections

• Leaders are chosen by a small group

• Citizens vote in free and fair elections

• Only one political party is allowed

What is the effect of air pollution on health?

• Causes breathing problems

• Reduces asthma

• Improves lung function

• Strengthens the immune system