Which of the following approximates the H-N-H bond angle in ammonia, NH3?
A) 109.5°
B) 107.3°
C) 120.0 °
D) 90.0°
B
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Tropical climates have no months with temperatures below 18°C (64°F)
Indicate whether the statement is true or false
How will channel velocity change along the longitudinal profile of a stream?
A) Velocity will remain constant for the entire length of the stream B) Velocity will start high and gradually decrease toward the mouth due to increasing discharge downstream C) Velocity will start low and gradually increase toward the mouth due to increasing discharge downstream
Wind profilers are vertically-pointing Doppler radars that provide
A) temperature. B) moisture. C) winds. D) cloud heights.
Saudi Arabia has successfully employed the international trade alternative primarily because of
A) consumer spending. B) petroleum reserves. C) regional cooperation. D) traditional social customs. E) its strategic distribution location.