Biology, 05.09.2020 22:01 wolfgirl4762
4 A student conducts an experiment at home to test the effect of different covers on the
melting rate of ice. The student places identical ice cubes on separate trays of known
mass. The student covers each tray as shown below. The trays are placed on the same
table. After ten minutes, the student removes the covers, discards the excess water,
and calculates the mass of each ice cube. Which of these is a constant variable (or
controlled variable) in the experiment?
initial mass of each ice cube
final mass of each ice cube
the uncovered ice cube
material covering the ice cubes
Answers: 3
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Which of the following is a way that minerals are used? a. industry construction technology d. all of the above
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Can create a hboth of these instruments can measure wind speed. doppler radar and psychrometer anemometer and hygrometer doppler radar and anemometer radiosonde and psychrometer
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During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are
Answers: 2
Biology, 22.06.2019 08:30
Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes
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4 A student conducts an experiment at home to test the effect of different covers on the
melting ra...
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