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Biology, 22.06.2019 18:00
The table below shows the elements that mainly comprise each of the four layers of earth: elements in layers layer main elements crust oxygen, silicon mantle iron, magnesium outer core iron, nickel inner core iron which of these elements make up the layer that is 0.2 to 1.1 percent of earth's total diameter?
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Biology, 22.06.2019 19:30
Analyze how the four requirements for life were identified by scientists
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Biology, 22.06.2019 20:00
Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b.hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.
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Biology, 22.06.2019 20:30
Sperm are ejaculated from the corpora cavernosa of the penis. true or false
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Chemistry, 12.11.2019 12:31
English, 12.11.2019 12:31
Biology, 12.11.2019 12:31
History, 12.11.2019 12:31
History, 12.11.2019 12:31
Mathematics, 12.11.2019 12:31
Mathematics, 12.11.2019 12:31
Social Studies, 12.11.2019 12:31
Mathematics, 12.11.2019 13:31
Mathematics, 12.11.2019 13:31
Mathematics, 12.11.2019 13:31
Mathematics, 12.11.2019 13:31