APES Unit 4 – Flashcards

the source that produces long-lived hazardous waste

the source that is converted directly into electrical energy by photovoltaic cells

the source whose use is a direct cause of deforestation

the source that is not renewable

which of the following metals is considered an energy resource?

if an incandescent light bulb used for lighting has an efficiency rating of 5 percent, then for very 1.00 joule of electrical energy consumed by the bulb, which of the following is produced

the ultimate source of energy for terrestrial ecosystems is

a sample of radioactive waste has a half-life of 10 years and an activity level of 2 curies. after how many years will the activity level of this sample be 0.25 curies

living organisms must acquire energy from their environment. examples of adaptations that help organisms acquire this energy include which of the following

all of the following substances are derived from petroleum EXCEPT

there are various stages in the formation of coal as heat and pressure are increased and moisture content is decreased. these stages, in order, are

which of the following countries has the largest coal reserves