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So my brother hasn't had his first period yet. Should I be worried?
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Biology, 22.06.2019 05:30
Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !
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Biology, 22.06.2019 08:00
In a vegetable garden 45 bean plants have been eaten by deer 5 are untouched what is the frequency of bean plants in the garden that have been eaten?
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Biology, 22.06.2019 08:20
Which characteristics are typical of a human population in the postindustrial stage?
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Biology, 22.06.2019 12:30
When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles
Answers: 1
So my brother hasn't had his first period yet. Should I be worried?...
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