Biology, 23.06.2019 16:10, ghwolf4p0m7x0
Why do living things use enzymes instead of heat as a source of activation energy? o adding sufficient heat would harm or kill a living thing. o adding heat would not give the reactants enough energy. o adding heat gives reactants the wrong kind of energy. o adding heat does not affect how chemical reactions take place.
Answers: 2
Biology, 22.06.2019 07:40, pulliamdylan
Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one
Answers: 1
Biology, 22.06.2019 11:50, joshuag9047
Approximately what wavelength of light is best absorbed by chlorophyll a
Answers: 1
Biology, 22.06.2019 19:00, unkno
Dr. arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode. it measures the volume of the sound that occurs at the minimum pressure at which the explosion will occur. it then increases the pressure and measures the volume of the explosions that occur. what kind of investigation is the scientist conducting?
Answers: 2
Why do living things use enzymes instead of heat as a source of activation energy? o adding sufficie...
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