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at the beginning of cell division, a chromosome consists of two
a) centromeres...
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Biology, 22.06.2019 00:10
Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase
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Biology, 22.06.2019 17:30
Aquantity of gas has a volume of 18 m3 and an absolute temperature of 225 k. when the temperature of the gas is raised to 380 k, what is the new volume of the gas? (assume that there’s no change in pressure.)
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Biology, 22.06.2019 18:00
The most effective way to provide children with safety messages is to
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Biology, 23.06.2019 00:40
Satellites orbit earth in the a) mesosphere b) troposphere c) stratosphere d) thermosphere
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