WORTH 15 PTS PLEASE HURRY For each statement indicate (with the letter) which of the following (A-E) fits best: What causes thunder?

A) PROBLEM (or question)

B) HYPOTHESIS (look for terms suggesting a solution, answer, or explanation, eg. "because", "caused by...", etc., AND terms of uncertainty, eg. "most likely", "probably", "I think", etc.)

C) TEST (look for something done to check the hypothesis)

D) PREDICTION (look for phrases like "ifthen", "based on, should be able to..."