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Biology, 22.06.2019 07:30
Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium
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Biology, 22.06.2019 08:00
Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.
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Biology, 23.06.2019 05:30
Using the graph, determine the half-life of thorium-232. question 12 options: 7 billion years 14 billion years 28 billion years 35 billion years
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Biology, 23.06.2019 12:10
Which planets have a radius larger than 25,000 km? a. uranus, saturn, jupiter, neptune b. mercury, mars, pluto c. jupiter, saturn, uranus d. uranus, neptune
Answers: 1
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A student makes a model of the sun-Earth system by swinging a ball around her head. Using this mo...
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