What negative environmental consequences are associated with the building of a dam?
What will be an ideal response?
Answer: Examples: siltation behind the dam; inundation of river valleys; change in the natural flow regime downstream; increased evapotranspiration from the lake.
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Maternal mortality rates in the developing world are ________ compared to those in the developed world.
A. lower B. higher C. substantially lower D. the same
An airplane flies at 40 m/s at an altitude of 50 m. The pilot drops a heavy package, which falls and strikes the ground. Where, approximately, does the package land?
A) beneath the plane B) 400 m behind the plane C) 500 m behind the plane D) more than 500 m behind the plane E) none of the above
During the Ordovician and Silurian, a clastic wedge developed ________ of the Taconic
orogeny. a. east b. west
Trace the major processes in the evolution of the earth's atmosphere from its beginning to the present
What will be an ideal response?