Which of the following is NOT true of the polar front zone?
A) The polar jet stream is usually located above it. B) There is little precipitation in the zone.
C) It is a zone of frequently strong winds. D) It is a zone in which warm and cold air mix.
B
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Which of the following best describes a cloud?
A) Uniform featureless smoke lighter than the force of gravity. B) Suspended raindrops that have not yet fallen under the force of gravity. C) Semi-ordered condensation nuclei and ice crystals. D) Aggregated condensation nuclei. E) A visible aggregation of tiny moisture droplets and ice crystals suspended in the air.
______ ______ ________ one that competes more successfully than other organisms for nutrition and other essentials of life, or that exerts a greater influence than other species on the environment
Fill in the blank(s) with correct word
Electric vehicles currently available
A. use a combination of an electric motor and a gasoline engine. B. use only an electric motor. C. have batteries guaranteed to last the life of the car. D. are the same price as other similar non-electric vehicles. E. are not energy efficient.
Green plants undergo aerobic respiration
Indicate whether the statement is true or false