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Chemistry, 22.06.2019 08:00
An observation that requires measurement is called quantitative observable or qualitative
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Chemistry, 23.06.2019 00:30
Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element
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Chemistry, 23.06.2019 01:30
Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity
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Chemistry, 23.06.2019 03:00
In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas
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