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Which of the following is not a fossil fuel?
a. natural gasb. coalc. woodd. petroleum
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- Which of the following statement is true about fossil fuels? A. Lignite is the highest-grade coal in fossil fuel B. Fossil fuels are presently the world’s primary energy source. C. Fossil fuels are formed in an oxygen-rich environment D. Low pressures and temperature facilitate the formation of fossil fuelWhich of the following processes of the carbon cycle involves the incorporation of the carbon in shells of marine organisms into the Earth’s crust? A. Burning of fossil fuels B. Photosynthesis C. Sedimentation D. Aerobic respirationHuman use of fossil fuels has what consequences? Group of answer choices a. increase in CO2 concentration in the atmosphere b. return of fossilized carbon to the active carbon cycle c. increase in global temperatures d. all of the other options
- Biogas is produced as a result of which of the following Process? a. Decomposition b. Conduction c. Burning d. DigestionRenewable energy approaches include all of the following excepta. fracking.b. solar panels.c. wind farms.d. cellulose fermentationWhich one of the following is not caused due to the PV power plants? a. Land pollution b. Battery Pollution c. Eyesight problem d. Earthquakes
- We learned an ironic twist in the film called "The Other Inconvenient Truth." It was that a. agriculture creates more pollution than other sources, but we have to increase farming for the growing population b. that nitrogen in the soil is significant pollution, but if we don't use these fertilizers we will not have enough food c. That methane is produced by animals and by growing rice. So becoming vegetarian won't clear methane from the atmosphere. d. agriculture uses 70% of fresh water mined , causing a salt water pollution too1. Of all of the fuels used by the United States to generate energy by combustion, over the past 200 years, which one is considered to be a renewable resource (not derived from fossil fuels)? A. natural gas (from underground gas deposits) B. kerosene (from petroleum) C. coal (from coal mines) D. oil (from petroleum) E. wood (from trees)Organisms that use/degrade carbon compounds from food containing organic carbon to extract energy are called __________, whereas organisms that utilize CO2 from the air and often obtain energy from the sun are called ______________. A. heterotrophs; lithotrophs B. heterotrophs; autotrophs C. autotrophs; heterotrophs D. lithotrophs; autotrophs E. autotrophs; lithotrophs
- 92% of the energy produced in the United States is from this source of energy. A. non-depletable B. non-renewable C. renewableAncient Greece and ancient Rome tried to conserve energy in all of the following ways except: A. passing laws against construction of new buildings that would block sunlight to other homes B. building their bath-houses to maximize solar heating of pools C. manufacturing small cars with good gas mileage D. passing laws against the burning of wood from olive treesE. building their homes with south-facing windows and doors, to allow solar heating in winterYou are growing algae in culture and expose them to CO2 that contains radiolabeled oxygen. Where does the radiolabeled oxygen end up after photosynthesis? a. water b. oxygen c. carbon dioxide d. carbohydrates e. carbon monoxide