Sheila conducts an investigation to see how the amount of salt dissolved in water affects the density of the water. which
statement best describes the correct plan for her procedure?
o the density and the amount of water are controls, and the amount of salt and the type of salt are variables
o the amount of water and the amount of salt are controls, and the type of salt and the density are variables.
o the type of salt and the amount of water are controls, and the amount of salt and the density are variables
the type of salt and the density of water are controls, and the amount of salt and the amount of water are variables
Answers: 1
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White-tailed deer are considered to be an overpopulated species in the central united states. which of these events probably contributed the most to white-tailed deer exceeding their carrying capacity?
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Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.
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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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Sheila conducts an investigation to see how the amount of salt dissolved in water affects the densit...
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