The cynodonts were the direct ancestors of early mammals. Indicate whether the statement is true or false
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A galvanometer is a useful device in electric
A. generators and motors. B. electromagnets. C. transformers. D. meters.
Conservationists regard which of the following as their most powerful tool in protecting environmental quality?
A. Safe Drinking Water Act B. NEPA C. Clean Air Act D. National Forest Management Act E. ESA
The move to curb urban sprawl is also a way to
A) conserve agricultural and wilderness spaces. B) decrease the population density of large cities. C) promote faster and more efficient highways and bridges. D) promote a car-centered approach to urban development.
In terms of underground water, ________ is the most effective shaper of landforms
A) corrosion B) dissolution C) hydraulic power D) channelized flow E) mechanical erosion