Environmental Science Q2 review

What are nonrenewable resources?

• Solar energy, wind energy, hydroelectric power
• Organic materials, such as wood and paper
• Renewable resources, such as air and water
• Fossil fuels, nuclear energy, minerals like copper and gold

What is a renewable resource? Give examples

• Non-renewable resources that can be depleted over time. Examples include coal, oil, and natural gas.
• Renewable resources that are only available in limited quantities. Examples include diamonds, gold, and silver.
• Resources that are not naturally occurring. Examples include plastic, glass, and metal.
• Natural resources that can be replenished over time. Examples include solar energy, wind energy, and water (hydro) power.

How has our impact on earth changed through human history?

• Human impact on earth has decreased over time due to conservation efforts and environmental awareness.
• Human impact on earth has increased significantly throughout history due to industrialization, population growth, and technological advancements.
• Human impact on earth has only increased in recent years, but historically it has been minimal.
• Human impact on earth has remained constant throughout history and has not changed significantly.

In recent years what has happened to our human population?

• The human population has been decreasing steadily.
• The human population has been increasing rapidly.
• The human population has remained stagnant.
• The human population has been increasing at a slow rate.

What is a cost-benefit analysis?

• A tool for measuring employee productivity
• A type of financial report
• A method for calculating profit margins
• A process used to evaluate the potential benefits and costs of a project or decision

How does the amount of water on earth compare to the amount that is usable to humans?

• The amount of water on earth is less than the amount that is usable to humans.
• The amount of water on earth is only slightly greater than the amount that is usable to humans.
• The amount of water on earth is much greater than the amount that is usable to humans. Most water is salt, frozen, or polluted.

• The amount of water on earth is equal to the amount that is usable to humans.

What are some risks associated with global warming?

• Decreased carbon emissions
• Some risks associated with global warming include extreme weather events, rising sea levels, and loss of biodiversity.
• Increased snowfall
• Expansion of wildlife habitats

What are the major greenhouse gases?

• oxygen, nitrogen, argon, and water vapor
• sulfur dioxide, carbon monoxide, nitrogen dioxide, and ammonia
• helium, neon, krypton, and xenon
• carbon dioxide, methane, nitrous oxide, and fluorinated gases

What is the largest source of US greenhouse gases?

• Using solar panels
• Burning of plastic bottles
• Burning of fossil fuels
• Eating meat

How can we decrease the amount of carbon dioxide in the atmosphere?

• Burning more fossil fuels
• Increasing industrial emissions
• Planting more trees and reducing deforestation
• Clearing more land for agriculture