This figure shows the main subdivisions of the geologic timescale. Which of these is the Precambrian?

A. A
B. B
C. C
D. D


Answer: D

Environmental & Atmospheric Sciences

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A) adaptations B) survivorship C) carrying capacity D) fitness E) range of tolerance

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A mirage is a real image and can be photographed

Indicate whether the statement is true or false

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Climate

A) is a summary of weather conditions for a particular area. B) delineates extended periods of atmospheric history. C) provides normal conditions, i.e., what is expected. D) all of these

Environmental & Atmospheric Sciences

Harmful algal blooms can ________.

A. impact marine mammals B. kill fish C. clog fishing nets D. contaminate shellfish with toxins E. All of these are correct.

Environmental & Atmospheric Sciences