What type of currently available vehicle produces zero emissions?
A. hybrid
B. methanol powered
C. electric
D. gasoline powered
Answer: C
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What effect does temperature and pressure have on the speed of sound when entering seawater?
a. The speed of sound increases as temperature and pressure decreases. b. The speed of sound increases with temperature increases, but decreases with pressure. c. The speed of sound decreases as temperature and pressure decrease. d. The speed of sound is impacted by pressure but not temperature.
The Pacific coast is commonly called a(n) ____
A) ?active margin B) ?passive margin C) ?margin that gradually transitions from a passive to an active margin D) ?margin that continually changes from being a passive margin to an active margin and then back to passive margin
Inversions aloft are associated with ________ air that characterizes centers of ________ air pressure
Fill in the blank(s) with correct word
Which of the following best matches the description?Animal that eats plants.
A. intraspecific competition B. nitrogen cycle C. nitrogen-fixing bacteria D. limiting factor E. community F. denitrifying bacteria G. herbivore H. carbon cycle I. omnivore J. habitat K. producer L. biomass M. ectoparasite N. interspecific competition O. secondary consumer P. trophic level