Biology, 31.01.2020 22:43 arnold2619
Astudent wants to answer the question “does adding calcium powder to soil make pea plants grow faster? ” she adds calcium powder to the soil of 12 plants and does not add it to the soil of a second group of 12 plants. she measures the growth of all of the plants in each group for a month. which statement best summarizes the factors that need to be controlled in this experiment?
Answers: 3
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Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen
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Nerve cells are specialized to respond to stimulitrue or false?
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What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?
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Astudent wants to answer the question “does adding calcium powder to soil make pea plants grow faste...