Chemistry, 10.09.2021 18:30 ily50

"I think my bike is making a scraping noise because the bearings are not lubricated." A) PROBLEM (or question)
OB) 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.)
OC) TEST (look for something done to check the hypothesis)
D) PREDICTION (look for phrases like "ifthen", "based on,
should be able to...")
E) NONE OF THESE

Answers: 3

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"I think my bike is making a scraping noise because the bearings are not lubricated." A) PROBLEM (...