Q3 Unit 9

What are the three general categories of environmental issues mentioned in the text?

• Climate change, deforestation, and pollution

• Population growth, resource use, and pollution

• Biodiversity loss, water scarcity, and air quality

• Overfishing, soil erosion, and urban sprawl

What is a natural resource?

• A man-made product used in the environment

• A process used by scientists to study the environment

• Anything that occurs naturally in the environment and is used by people

• A type of pollution that affects land, water, or air

What is the difference between a point source and a nonpoint source of pollution?

• A point source can be identified, while a nonpoint source cannot

• A nonpoint source can be identified, while a point source cannot

• A point source is natural, while a nonpoint source is man-made

• A nonpoint source is always related to water pollution, while a point source is not

Who works with environmental scientists to make environmental decisions?

• Teachers

• Lawmakers

• Engineers

• Economists

What factors do decision makers consider when balancing different opinions on an environmental issue?

• The environmental impact only

• The costs and benefits of a proposal

• The popularity of the decision

• The short-term benefits only

What are natural resources?

• Anything that is man-made and used by people

• Anything that occurs naturally in the environment and is used by people

• Only water, wind, and sunlight

• Only oil, coal, and minerals

Which of the following is a renewable resource?

• Oil

• Coal

• Sunlight

• Metals

What makes a resource nonrenewable?

• It is always available or naturally replaced in a short time

• It is not replaced in a useful time frame

• It is necessary to sustain modern life

• It is equally available in all parts of the world

Why are natural resources important for humans?

• They are only important for industrial purposes

• Humans depend on them for survival and development

• They are not essential for life

• They are equally available in all parts of the world

What does sustainable use of a resource mean?

• Using a resource until it is completely depleted

• Using a resource in ways that maintain its quality for a certain period of time

• Using a resource without any concern for its conservation

• Using a resource in ways that increase the ecological footprint