Complete the following nuclear equation: Bi ? Tl +?
A) e
B) He
C) gamma ray
D) both A and B
E) none of the above
B
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The following statement describes which subatomic particle best?It has a relatively large mass.
A. an electron B. a proton C. a neutron D. A and B E. B and C
Which of the following regarding ocean currents and atmospheric stability is true?
A) Cold currents promote unstable atmospheric conditions and enhanced water vapor capacity. B) Cold currents promote stable atmospheric conditions and limited water vapor capacity. C) Warm currents promote stable atmospheric conditions and limited water vapor capacity. D) Warm currents promote unstable atmospheric conditions and limited water vapor capacity.
What adverse effect do groins and jetties both have on coastal erosion?
A) They stop littoral transport of sand and starve down-drift areas of sand. B) They reflect waves across the beach. C) They cause the waves striking the structure to increase in height and erosive power. D) They rob the waves of their energy to transport sand.
Jet streams are strong ________ that flow from ________
A) ocean currents; the equator toward higher latitudes B) air currents; west to east C) air currents; the equator toward higher latitudes D) ocean currents; continent to continent