Biology, 28.10.2019 03:31 payshencec21
Jack tries to place magnets on the door of his refrigerator. he observes that the magnets don’t stick. he guesses that the door of the refrigerator is made of a nonmagnetic substance. what stage of scientific investigation does his guess represent?
Answers: 2
Biology, 22.06.2019 08:00
In which state was more than 100 billion tons of coal mined in 2005?
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Biology, 22.06.2019 17:00
An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil
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Biology, 22.06.2019 18:20
Which characteristics must an object possess in order to be considered alive?
Answers: 2
Jack tries to place magnets on the door of his refrigerator. he observes that the magnets don’t stic...
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