Answer:
They use hypotheses to guess a result based on what they already know. Observations are used to record the results of an experiment. Predictions are used to have an expected outcome of a test, thinking the hypothesis is correct. Experiments are used to test the hypothesis.
The correct answer is: [C]: "Br" {"bromine"} .
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Answer: Sound waves are sound and oceans waves are water waves. Water waves are bigger
Explanation: