Which of the following forecast methods are often used for very short-range weather forecasting?
A. steady-state forecast and pattern recognition method
B. ensemble forecast and pattern recognition method
C. analogue method and ensemble forecast
D. steady-state forecast and analogue method
Answer: A
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a) A social spirit attached to gifts that suggests or requires reciprocity b) Reciprocal gift-giving c) A cohesive force in communities d) All of the above
Waves in the westerlies typically provide: a. wind speed shear
b. warm and cold advection. c. convergence and divergence. d. All of these choices.
Which of the following is not true regarding rotational velocities at different latitudes?
A) At 90° latitude, the rotational velocity is 1452 kmph (902 mph). B) At 0° latitude, the rotational velocity is 1675 kmph (1040 mph). C) At 60° latitude, the rotational velocity is 838 kmph (521 mph). D) At 30° latitude, the rotational velocity is 1452 kmph (902 mph).
What is the key problem facing sustainability?
A. Economic prosperity is limited by money. B. Economic prosperity is limited by food production. C. Economic prosperity is limited by technology. D. Economic prosperity is based on growth.