A scientist found that a Petri dish from an experiment has not been cleaned several days earlier in the dish she discovered a bacteria culture that she had not seen during the experiment how could you gather evidence to support a claim about whether bacteria have developed from the material left from the earlier experiment
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Chemistry, 22.06.2019 00:00, ashleyjaslin
Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one
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Chemistry, 22.06.2019 12:00, sophiaa23
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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Chemistry, 22.06.2019 21:30, kawaiiblurainbow
Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? (2 points) decreasing temperature decreasing pressure decreasing surface area decreasing solute concentration
Answers: 1
A scientist found that a Petri dish from an experiment has not been cleaned several days earlier in...
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