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1 February, 11:48

A testable explanation that's supported or refuted is called a/an. A. variability ... B. hypothesis ... C. reaction ... D. experiment.

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  1. 1 February, 14:08
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    The answer is b. i took the test and i got a 100 on it
  2. 1 February, 15:05
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    B. a hypothesis "based on my research" a hypothesis is based on some previous observation such as noticing that in November many trees undergo colour changes in their leaves and the average daily temperatures are dropping. Are these two events connected? How? Any laboratory procedure you follow without a hypothesis is really not an experiment. It is just an exercise or demonstration of what is already known.
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