HUMAN SUSTAINABILITY

What phenomenon naturally warms Earth’s lower atmosphere and surface?

• the greenhouse effect
• the formation of sunspots
• changes in the shape of Earth’s orbit
• global warming

Energy sources, local foods, availability of drinking water, types of building materials, and crafting tools from minerals & other materials; are all examples of what idea?

• examples of renewable resources
• examples of nonrenewable resources
• humans are impacted by natural resources significantly
• humans have conquered nature

Renewable resources including water can become nonrenewable resources if not managed properly; best summarizes what idea(s)?

• conversation and preservation
• First Law of Thermodynamics
• net-energy ratios
• kinetic and potential

Energy can change forms, but in a closed system _.

• energy is always potential
• energy is always kinetic
• energy efficiency is low
• the total amount of energy does not change

Solar, wind, hydroelectric, and biomass are sometimes called alternative energies. A better name would be _.

• nonrenewable energies
• renewable energies
• energy effecient
• greenhouse emitters

Iron ore, copper, plentiful freshwater, natural gas, oil, potash, and salt are all examples of _.

• biotic natural resources
• Nonrenewable resources
• Michigan's natural resources
• Renewable resources

Which two issues have increased the need for alternatives to fossil fuels?

• dwindling resources and carbon dioxide
• oxygen and dwindling resources
• increasing demand and water shortages
• increasing demand and carbon monoxide

When we use electricity to power our electronics, what other two, less useful, forms of energy often result?

• light and heat
• heat and carbon
• kinetic and rotational
• carbon dioxide and water

Which three activities consume the most fuel in modern societies?

• cooking, air conditioning, transportation
• heating, transportation, electricity generation
• manufacturing, transportation, entertainment
• construction, lighting, entertainment

Identify three technological challenges that limit the use of solar power in the United States.

• storage, weight, fragility
• cost, storage, efficiency
• aesthetics, toxicity, efficiency
• weight, cost, toxicity