At the end of the Mesozoic, large _____ were taking place in what is now India
A)mass extinctions
B)outpourings of lava
C)meteor impacts
D)transgressions
E)regressions
B
Environmental & Atmospheric Sciences
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In recent years, what kind of economic activity has Costa Rica been attracting?
A) banana plantations B) logging C) automobile manufacturing D) banking E) high-tech firms, such as semiconductor manufacturing
Environmental & Atmospheric Sciences
Water constantly circulates through
A) the lithosphere. B) the biosphere. C) the atmosphere. D) all four of the spheres.
Environmental & Atmospheric Sciences
The portion of the atmosphere that filters out 95% of the incident UV radiation is the ________.
A. troposphere B. particulates C. aerosol layer D. stratosphere E. ozone layer
Environmental & Atmospheric Sciences
These mammals were hugely successful, partly because they can eat almost anything:a
primates d. artiodactyls b. creodonts e. perissodactyls c. rodents
Environmental & Atmospheric Sciences