question below:
Extinction of a species is most likely to occur as a result of
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environmental changes

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Which of the following properties of a substance is conserved during thermal expansion?
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mass

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A scientist plans to investigate the nervous system of sea slugs. What should the scientist do first?
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Review the research other scientists have done on sea slugs.

question below:
Students are investigating which type of fruit attracts the most fruit flies. Equally sized pieces of ripe apple, peach, and banana are placed in separate containers. The containers allow fruit flies to enter, but the fruit flies are unable to escape. The containers are placed outside on a picnic table for two days. The most reliable method for collecting data is to count the number of fruit flies
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on all three types of fruit every two hours