National Geographic: Pollution and Its Impact

Front

What are pollutants?

Back

Harmful materials introduced into the environment

Front

Which of the following is a natural source of air pollution? Plastic waste, Exhaust from cars, Volcanic ash, Industrial waste

Back

Volcanic ash

Front

What is the primary cause of smog?

Back

Chemical reactions with sunlight

Front

What is the main consequence of acid rain?

Back

Damage to forests and waterways

Front

What is the Great Pacific Garbage Patch?

Back

A collection of microscopic plastic particles in the ocean

Front

Bioaccumulation

Back

The buildup of chemicals in each level of the food web

Front

Which gas is primarily responsible for the greenhouse effect?

Back

Carbon dioxide

Front

What was the environmental impact of the Deepwater Horizon oil spill?

Back

Massive loss of marine life

Front

What is the main purpose of the Kyoto Protocol?

Back

To limit the emission of greenhouse gases

Front

What is the effect of light pollution on ecosystems?

Back

It disrupts the natural day-night cycle