Proved reserves of a nonrenewable energy source are ________
A) the extent of known energy reserves
B) quantities of fuel that can be recovered using current technology and prices
C) reserves that will be exhausted due to overuse by humans
D) measures of useful energy produced
E) refined and captured but not able to be reused
B
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The Environmental Protection Agency administers the ____________________ that sets the standards for allowed levels of key water pollutants.
Fill in the blank(s) with the appropriate word(s).
Which of the following choices describe an input approach to the problem of waste production?
a. reduce packaging and materials for new products b. compost food scraps c. purchase fewer household items d. all of these answers e. reduce packaging and materials for new products and purchase fewer household items
Which of the following best matches the description?Initial phase of population growth during which growth occurs very slowly.
A. population density B. density-independent factor C. age distribution D. immigration E. dispersal F. carrying capacity G. exponential growth phase H. biotic potential I. stable equilibrium phase J. environmental resistance K. emigration L. death phase M. density-dependent limiting factor N. r-strategist O. K-strategist P. lag phase
On long, cold winter nights with clear, calm skies, what pace of nightly cooling will occur and why?
What will be an ideal response?