Practice check: Which option correctly answers: which action can reduce household energy use?

✅ B. Thermometer

a: Barometer | b: Thermometer | c: Seismometer | d: Voltmeter Read more

✅ D. Fusion nuclear reaction

✅ C. Maintaining plant cover and reducing erosion

a: Removing all vegetation | b: Burning topsoil | c: Maintaining plant cover and reducing erosion | d: Overgrazing slopes Read more

✅ A. Sirius

✅ B. Organisms interacting with each other and their physical environment

a: A weather instrument | b: Organisms interacting with each other and their physical environment | c: A mineral deposit | d: Only a single animal Read more

✅ C. Evaporation

a: Deposition | b: Freezing | c: Evaporation | d: Condensation Read more

✅ D. Total greenhouse-gas emissions associated with an activity or entity

a: A shoe mark in soil | b: The weight of coal only | c: A tree's height | d: Total greenhouse-gas emissions associated with an activity or entity Read more

✅ D. Newton

a: Pascal | b: Watt | c: Joule | d: Newton Read more