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What are some risks and rewards of living on a floodplain?

What will be an ideal response?

Sea surface temperatures (SSTs) are warmest

A) where oceans are deepest, allowing for sufficient mixing. B) along the equator where the sun's rays are most direct. C) at the subtropics because descending air promotes clear skies. D) at the poles where long days during the summer warm the water.

Throughout the 3.5 billion year history of life on the earth, there has been a natural, low rate of species extinction known as ____.

A. mass extinction B. secondary extinction C. biological extinction D. background extinction rate E. tertiary extinction

Most of the Moon's craters were produced by ________

A) radial implosions B) faulting C) the impact of meteoroids D) volcanic eruptions