Biology, 13.07.2019 13:50 payshencec21
Our solar system is thought to have started with the birth of our sun, which formed from a cloud of interstellar dust and gas. this cloud condensed and eventually collapsed from its own gravitational pull. the heat and pressure built up, forming a protostar. eventually nuclear fusion began. planets formed from remaining dust and gas orbiting the protostar. this explanation best describes the nebular theory the big bang theory the inflation theory the condensation theory
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Biology, 21.06.2019 14:40
Viruses are different from bacteria in that they can remain dormant on non-living surfaces they can be found just about anywhere they can infect just about every form of life
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Biology, 21.06.2019 19:30
Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?
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Biology, 21.06.2019 19:30
Are these strong bases, neutral, strong acids, weak acids or weak base household bleach (ph=12.6) fluid in a car's battery (ph of less than 1.0) milk (ph=6.7) stomach contents (ph=2.2) pure water (ph=7)
Answers: 1
Our solar system is thought to have started with the birth of our sun, which formed from a cloud of...
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