The induction explanation for lightning
A) is criticized by some scientists for not allowing enough time for the transfer of charge from ice crystals to hailstones.
B) assumes that the upper atmosphere has a positive charge.
C) assumes the transfer of electrons from ice pellets to ice crystals.
D) is criticized by some scientists for not taking into account that the electrical field is too strong.
Answer: B
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Describe the changes in atmospheric stability throughout a 24-hour period beginning at sunrise on a cloudless summer day over land.
What will be an ideal response?
After a policy is implemented, the next step in the policy cycle is to
A. Set an agenda B. Evaluate results C. Build support for the problem D. Suggest changes E. Develop proposals
Judge the following sentence according to the criteria given below: Organisms found at mid-ocean ridges are able to survive in the absence of sunlight BECAUSE the light generated by the undersea lava flows is enough for photosynthesis to occur
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.
This map shows contours of the water table, the location of four factories (labeled A, B, C, and D), and contaminated (x) and uncontaminated (-) wells. Which way will the contamination flow? 
A. south and southwest, down the contours B. northwest and southeast, parallel to the contours C. impossible to tell because the movement of contamination is independent of groundwater D. north and northeast, up the contours