Unit 7 Part 2 Review

What does the term "Sustainability" refer to in environmental science?

• The use of natural resources in manufacturing

• Balance between Earth’s resources, human needs, and the needs of other species

• The study of ecosystems and biodiversity

• The conservation of specific endangered species

What is meant by "Ecological (carbon) footprint"?

• The total area of forest land required to produce oxygen

• The amount of waste produced by an individual

• The amount of carbon emitted and its environmental impact

• The measurement of water used by a corporation

What describes the "Greenhouse effect"?

• The process of planting greenery in urban areas

• The normal warming effect when gases trap heat in the atmosphere

• The cooling effect of Earth's atmosphere

• The reduction of carbon footprint by industries

What defines "Invasive species"?

• Species that are protected under environmental laws

• Species that migrate seasonally

• Non-native species introduced to an ecosystem that negatively harm it

• Native species that are beneficial to an ecosystem

What is the impact of building, paving, and deforestation on the Water Cycle?

• They increase runoff and decrease infiltration, leading to pollution and eutrophication.

• They reduce carbon emissions and increase water absorption.

• They enhance soil fertility and prevent nitrogen accumulation.

• They have no significant impact on the water cycle.

How does the burning of fossil fuels influence the Carbon Cycle?

• It decreases the amount of carbon in the atmosphere.

• It increases the amount of oxygen in the atmosphere.

• It releases too much carbon back into the atmosphere.

• It stabilizes the atmospheric carbon levels.

What effect does the excessive use of fertilizers have on the Nitrogen Cycle?

• It decreases nitrogen content in the soil.

• It adds too much nitrogen to the soil.

• It improves the water retention of the soil.

• It has no effect on the nitrogen levels in the soil.

Which of the following is a renewable resource?

• Coal

• Oil

• Sunlight

• Natural gas

Which of the following is a nonrenewable resource?

• Wind

• Water

• Sunlight

• Coal

What is the goal of Agricultural Technology as mentioned in the objectives?

• To decrease food productivity

• To increase food productivity

• To reduce the use of farming machinery

• To increase the use of fossil fuels