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Biology, 21.06.2019 14:20
People who exercise for an hour may have lower cholesterol levels. is that a statement? a law? or a hypothesis?
Answers: 1
Biology, 21.06.2019 19:30
Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.
Answers: 1
Biology, 22.06.2019 12:00
How long does it take a skateboarder going 6.0 m/s to come to a complete stop if she slows down at a rate of 2.0 m/s^2
Answers: 1
Biology, 22.06.2019 12:30
Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled
Answers: 1
Which of the following methods can be used to determine the relative age of rock and strata? Select...
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