Which of the following describes the main way that chlorofluorocarbons enter the stratosphere?

A. the exhaust of high-altitude aircraft
B. the rupture of radiosonde balloons
C. an inversion
D. building thunderstorms that penetrate the lower stratosphere


Answer: D

Environmental & Atmospheric Sciences

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Which of the following best matches the description?An organism that can manufacture food from inorganic compounds and light energy.

A. biomass B. carbon cycle C. denitrifying bacteria D. trophic level E. omnivore F. habitat G. secondary consumer H. ectoparasite I. nitrogen cycle J. interspecific competition K. limiting factor L. producer M. intraspecific competition N. nitrogen-fixing bacteria O. community P. herbivore

Environmental & Atmospheric Sciences

The provision of services constitutes this form of employment

A) primary B) secondary C) tertiary D) quaternary E) none of the above

Environmental & Atmospheric Sciences

The world's deserts are found at 30° latitude because

a. the intertropical convergence zone is located there. b. of the sinking air of the polar front. c. of the convergence of the prevailing westerlies and the Northeast Trades. d. of the sinking air of the subtropical highs. e. of the doldrums.

Environmental & Atmospheric Sciences

Which of the following is an example of an oceanic-continental convergent plate boundary?

A) Aleutian Islands B) Andes Mountains C) Himalaya Mountains D) Mendocino Fault E) San Andreas Fault

Environmental & Atmospheric Sciences