Module 4: Environmental chemistry

Pollution _________________________.

• is harmful materials put into the environment

• found in air, water, and land

• effects plants, animals, and people

• All of the above

Which layer of the atmosphere do we live in?

• Troposphere

• Stratosphere

• Thermosphere

• Mesosphere

Gases such as water vapour and carbon dioxide that trap heat near Earth are known as...

• Blanket gases

• Greenhouse gases

• Proxy gases

• Warming gases

Which of the following is NOT a greenhouse gas?

• CO₂

• N₂

• CH₄

• H₂O

Which of the following sets of evidence supports global warming?

• CO₂ levels rising

• Sea Levels rising

• Glacier mass decreasing

• All of the Above

Acid rain has a pH

• less than 5.6

• 6

• 7

• more than 8

How is acid rain formed?

• Carbon monoxide and carbon dioxide mix with water in the ocean.

• Carbon dioxide and oxygen mix with water in the air.

• Sulfur dioxide and carbon monoxide mix with lake water.

• Sulfur dioxide and nitrogen oxide mix with water in the air.

Which of these is a MAJOR cause of acid rain?

• spraying pesticides on crops

• burning fossil fuels for energy

• dumping sewage in river systems

• using uranium to generate electricity

Which of these contributes to acid rain?

• HCl

• NaOH

• CaO

• SO₂

Harmful ultraviolet radiation from the Sun is absorbed by

• Clouds

• Ozone molecules

• Soil

• Water