Biology, 22.07.2019 08:40 lpssprinklezlps
Trey and randall are conducting an experiment to test the effects of watering plants with deionized water compared to tap water. they take 20 plants of the same size and species, kept in the same area in front of a large window of their classroom, and water half with tap water and half with deionized water. all plants receive the same amount of water daily for three weeks. the plants watered with tap water grew an average of two inches taller. when they were finished, they reported their results in the school newspaper.
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Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy
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Biology, 22.06.2019 04:00
Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.
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Biology, 22.06.2019 18:30
Mike wants to negatively charge a small rubber ball. which of these methods would successfully charge the ball? a) heating the ball in boiling water b) running the ball over a strong magnet c) rubbing the ball back and forth on carpet d) dropping the ball from a tall bulding submit hint forces in nature (s8p5.b) conductors and insulators id: 10402 hint electrons must be transferred.
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Biology, 22.06.2019 21:50
Energy for use in cells is stored in form of 1.chemical bond energy 2.physical energy 3.heat energy 4.mechanical energy.
Answers: 2
Trey and randall are conducting an experiment to test the effects of watering plants with deionized...
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