Metals are useful for the structural support of buildings because they
A) do not conduct heat well.
B) are shiny.
C) conduct electricity.
D) are strong but can be bent.
E) C and D
D
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What percent of the earth's water supply is readily available as liquid freshwater?
A. 0.024% B. 1.0% C. 2.3% D. 7.8% E. 15%
State whether each of the following is an example of an exothermic or endothermic reaction.H2O (gas) ? H2O (liquid)
Fill in the blank(s) with the appropriate word(s).
Head restraints on the back of the seats of most automobiles can prevent whiplash in an accident. Most of these head restraints are large enough that they function without any adjustment. These head restraints are an example of
A) inherent design flaws. B) active safety. C) passive safety. D) reverse engineering.
Which of the following best matches the description?Comparative percentages of different age groups within a population.
A. dispersal B. immigration C. carrying capacity D. death phase E. density-independent factor F. population density G. emigration H. density-dependent limiting factor I. biotic potential J. r-strategist K. age distribution L. environmental resistance M. lag phase N. K-strategist O. exponential growth phase P. stable equilibrium phase