Which systems are more likely to be associated with cloudy conditions and why?
A. High pressure systems because air rises there.
B. High pressure systems because air descends there.
C. Low pressure systems because air descends there.
D. Low pressure systems because air rises there.
Answer: D
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A horse exerts 500 N of force on a heavy wagon. The wagon pulls back on the horse with an equal force. The wagon still accelerates because
A) these forces are not an action-reaction pair. B) there is nevertheless still an unbalanced force on the wagon. C) the horse pulls on the wagon a brief time before the wagon reacts. D) the wagon does not accelerate because these forces are equal and opposite. E) unlike the horse, it is not alive.
The primary cause of BP's Deepwater Horizon oil spill in the Gulf of Mexico was ____.
A. faulty equipment and poor decision-making B. a tsunami C. an earthquake D. the oil rig crashing into an underwater reef E. leakage from old, rusty pipes
Suppose you find a rock comprised mostly of decayed plant material. What type of rock have you found?
A. Biochemical B. Clastic C. Chemical
The spring tide occurs when the Moon and Sun are neither in conjunction nor in opposition alignment
Indicate whether the statement is true or false