Environmental test 1

What is ozone?

• A harmful gas that contributes to global warming

• A naturally occurring molecule that absorbs and redirects harmful UV radiation

• A type of greenhouse gas

• A pollutant found in the lower atmosphere

Who discovered that CFCs were rapidly destroying ozone in the stratosphere?

• Albert Einstein and Niels Bohr

• Isaac Newton and Galileo Galilei

• Mario Molina and Sherwood Rowland

• Charles Darwin and Alfred Wallace

When did Mario Molina and Sherwood Rowland discover the harmful effects of CFCs on the ozone layer?

• 1960s

• 1970s

• 1980s

• 1990s

What action have most nations taken regarding CFCs?

• Increased their production

• Banned them

• Reduced their usage by half

• Promoted their use in industrial applications

By what year is the ozone hole expected to close up?

• 2030

• 2040

• 2050

• 2060

What does environmental science study?

• The study of our planet's natural systems and how humans and the environment affect one another

• The study of the universe and celestial bodies

• The study of human anatomy and physiology

• The study of ancient civilizations and their cultures

What does the environment include?

• Only living things

• Only nonliving things

• All living and nonliving things with which organisms interact

• Only water and air

What is the first step to solving environmental problems?

• Ignoring the interactions between humans and the environment

• Understanding the interactions between humans and the environment

• Increasing pollution levels

• Reducing the number of living organisms

What is the primary focus of Environmental Science?

• Social movement dedicated to protecting the natural world

• Objective, unbiased pursuit of knowledge about the workings of the environment and our interactions with it

• Advocacy for policy changes to protect the environment

• Promotion of sustainable living practices

What is Environmentalism primarily concerned with?

• Conducting scientific research on environmental processes

• Social movement dedicated to protecting the natural world

• Developing new technologies for environmental protection

• Studying the impact of human activities on ecosystems