Environmental Challenges

What causes dirty air in cities?

• Increased wildlife activity

• Vehicle emissions

• Seasonal weather changes

• Natural disasters

What gas makes the earth warmer?

• Nitrogen (N2)

• Methane (CH4)

• Oxygen (O2)

• Carbon dioxide (CO2)

What makes the sea dirty with plastic?

• Littering

• Oil spills from ships

• Excessive rainfall and flooding

• Natural sedimentation processes

What energy source can be used again and again?

• Nuclear energy

• Natural gas

• Fossil fuels

• Renewable energy sources

What makes forests disappear?

• Deforestation and environmental factors.

• Increased wildlife populations

• Natural disasters like hurricanes

• Urban development and construction

What happens when the weather changes a lot?

• Weather changes only affect temperature, not ecosystems.

• Weather changes improve crop yields.

• Frequent weather changes can disrupt ecosystems and human activities.

• Frequent weather changes have no impact on wildlife.

What makes rivers and lakes dirty?

• Wildlife migration patterns

• Water temperature changes

• Natural sediment from riverbanks

• Pollution from industrial waste

What is something we use that will finish one day?

• Water

• Food

• Clothes

• Books

What makes a hole in the sky that protects us?

• The atmosphere

• Clouds

• The ozone layer

• The stratosphere

What makes the ground break and disappear?

• Landslides

• Flooding

• Earthquakes, erosion, or sinkholes.

• Volcanic eruptions