As starlight enters the atmosphere, it often passes through regions of differing air density causing the star to appear to "twinkle", a condition known as ____

A) iridescence
B) scintillation
C) dispersion
D) twilight


B

Environmental & Atmospheric Sciences

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Neurotoxins are most likely to affect the

A. immune system. B. nervous system. C. endocrine system. D. circulatory system. E. musculatory system.

Environmental & Atmospheric Sciences

Plate tectonic processes have influenced:a

the distribution of earthquakes and volcanoes. b. the locations of ore deposits and mountain systems. c. climatic patterns and ocean circulation. d. the geographic distribution, evolution, and extinction of life forms. e. all of these

Environmental & Atmospheric Sciences

Radar detects a thunderstorm by measuring the electrical discharges within the cloud

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

By the beginning of the Paleozoic Era, six of the seven continents were present

a. True b. False

Environmental & Atmospheric Sciences