A scientist finds a fossil that she thinks might make a good index fossil. Which characteristics does this fossil most likely have? Select two options. It is the remains of an organism still found alive today. It is the remains of an organism that was alive for only a short time. It is the remains of an organism that is found in abundance nearby. It is the only fossil for this type of organism that has ever been found. It is the remains of an organism that lived in a narrow geographic area.
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Ageologist determines that a sample of a mineral cant be scratched by a steel nail but can be scratched by a masonry drill bit based on this information the sample mineral has to be softer than
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Which of the following represents a negatively charged ion? of t 7
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Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis
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A scientist finds a fossil that she thinks might make a good index fossil. Which characteristics doe...
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