Unit Quiz- Unit 7 and 8

Which of the following energy sources is the cleanest burning fossil fuel?

• Coal
• Oil
• Natural gas
• Biomass

What is the primary cause of climate change in recent times?

• Solar flares
• Human activities
• Volcanic eruptions
• Changes in Earth's orbit

How would increased use of biofuels compare to traditional fossil fuels in terms of climate change impact?

• Biofuels would have a more negative impact due to higher carbon emissions
• Biofuels would have less impact since they are renewable and emit fewer pollutants
• Biofuels would have no effect on climate change
• Biofuels would cause more damage due to deforestation for crop cultivation

What is the main difference between an ice age and an interglacial period?

• Ice ages are warmer than interglacial periods
• Ice ages have higher levels of carbon dioxide
• Ice ages are characterized by colder temperatures and glacial expansion
• Interglacial periods have more volcanic activity

What is the main reason why greenhouse gases trap heat in the Earth’s atmosphere?

• They absorb and radiate infrared radiation
• They reflect sunlight
• They block UV radiation
• They enhance cloud formation

What is the main purpose of using alternative energy sources?

• To reduce air pollution
• To create jobs
• To increase the price of fossil fuels
• To increase energy consumption

What is the primary purpose of the Endangered Species Act of 1973?

• To protect endangered species from habitat loss
• To prevent the extinction of species
• To regulate the trade of endangered species
• To restore biodiversity worldwide

Which of the following is NOT considered an alternative energy source?

• Solar
• Wind
• Nuclear
• Coal

Which of the following gases is a major component of the greenhouse effect?

• Carbon dioxide
• Oxygen
• Nitrogen
• Hydrogen

What is an interglacial period?

• A period of extensive glaciation
• A period of warmer global temperatures between ice ages
• A period of volcanic activity
• A period of increased carbon emissions