Human Impact and the Environment

What is sustainability?

• A balance between Earth's resources, human needs, and the needs of other species.

• The amount of carbon emitted and its environmental impact.

• Resources that are produced or replenished more quickly than they are consumed.

• Resources that are consumed/used more quickly than they are created.

What is an ecological (carbon) footprint?

• A balance between Earth's resources, human needs, and the needs of other species.

• The amount of carbon emitted and its environmental impact.

• Resources that are produced or replenished more quickly than they are consumed.

• Resources that are consumed/used more quickly than they are created.

Which of the following is a renewable resource?

• Oxygen

• Fossil fuels

• Metal

• Plastic

Which of the following is a nonrenewable resource?

• Oxygen

• Fossil fuels

• Metal

• Plastic

How does technology contribute to sustainability?

• By increasing air, water, and land pollution

• By providing clean energy, waste management, and pollution cleanup

• By depleting Earth's resources

• By increasing the ecological footprint

Which type of technology is used to increase food productivity?

• Contour farming

• Fertilizers

• Irrigation systems

• Farm machinery

What is a disadvantage of using fertilizers in agriculture?

• Excess nitrogen that alters soil

• Increased soil fertility

• Reduced crop yield

• Decreased water pollution

Which of the following is a pro of alternative energy technology?

• Decreases the burning of fossil fuels

• Creates radioactive waste

• Uses non-renewable resources

• Increases greenhouse gas emissions

What is a disadvantage of nuclear energy?

• Decreases the burning of fossil fuels

• Creates radioactive waste

• Uses non-renewable resources

• Increases greenhouse gas emissions

What is the goal of industrial technology?

• To increase manufacturing efficiency, transportation, and communication

• To decrease food productivity

• To deplete Earth's resources

• To increase pollution