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.
Environmental & Atmospheric Sciences
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