Duration and intensity of light vary with latitude and season and serve as a cue to initiate the growth stages in many plants.

a. true
b. false


Ans: a. true

Environmental & Atmospheric Sciences

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The general direction of a comet's tail is

A) toward the Sun. B) away from the Sun.

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What characteristic of a tsunami allows it to pass unnoticed beneath ships at sea?

a. deep trough b. high crest c. short wavelength d. short period e. lack of steepness

Environmental & Atmospheric Sciences

The elapsed time between the passage of successive wave crests past a stationary point is called

A) wavelength. B) wave base. C) wave period. D) wave height.

Environmental & Atmospheric Sciences

The oceans absorb roughly 25% of the CO2pumped into the lower atmosphere by human activities. As the oceans heat up, this absorption ____.

A. increases dramatically B. increases somewhat C. stays relatively stable D. decreases E. stops

Environmental & Atmospheric Sciences