The first step in producing a timely warning of a tsunami is
A) detection of a possible tsunami-producing earthquake
B) detection of a tsunami using a tsunameter
C) closely watching tidal gauges
D) calculation of ocean travel times
A
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Which of the following might best explain the reason why electrons are restricted to certain energy levels in an atom?
A) They behave like restricted waves and are self-reinforcing. B) They are travelling at very high speeds. C) They are interacting with the light around the atom. D) They are out of phase and self-destruct when outside of distinct energy regions. E) They behave like chaotic waves of alternating frequency.
Briefly discuss the major global population clusters
What will be an ideal response?
What type of net has been particularly disruptive in the mistargeting of species?
a. Trawl nets b. Drift nets c. Purse seines d. Gill nets
Concerns over visual blight are most commonly raised for ________ power
A) hydroelectric B) nuclear C) solar D) wind