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Biology, 21.06.2019 13:30
Heat is the amount of heat required to change the temperature of 1 gram of a substance by 1°c, and it is related to the chemical composition of the substance.
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Biology, 22.06.2019 07:30
Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables
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Biology, 22.06.2019 08:30
Construct at least two possible hypotheses for the student’s experiment.
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Biology, 22.06.2019 11:00
Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations
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¿Cómo está constituido el semen (composición)?...
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