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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Environmental & Atmospheric Sciences
A mirage is a real image and can be photographed
Indicate whether the statement is true or false
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
An organism's ________ for many environmental factors determines where it can live
A) adaptations B) survivorship C) carrying capacity D) fitness E) range of tolerance
Environmental & Atmospheric Sciences