Biology, 24.07.2019 21:00 xitlalizt83341
Scientists stanley miller and harold urey sealed water, methane, ammonia, and hydrogen in a flask, to simulate earth’s early environment. they exposed the chemicals to electric charges to simulate lighting. what did the process produce? a. nucleic acids b. bacteria c. viruses d. amino acids
Answers: 1
Biology, 21.06.2019 14:00
How are cellular respiration and photosynthesis different? cellular respiration assists breathing; photosynthesis aids pigmentation. cellular respiration breaks down glucose; photosynthesis creates glucose. cellular respiration creates glucose; photosynthesis breaks down glucose. cellular respiration releases oxygen; photosynthesis releases carbon dioxide.
Answers: 3
Biology, 22.06.2019 05:30
One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing
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Biology, 22.06.2019 09:00
Several billion years ago which gas was the least prevailant in the atmosphere
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Biology, 22.06.2019 11:00
Which measure of an earthquake depends on how close you are to the focus?
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Scientists stanley miller and harold urey sealed water, methane, ammonia, and hydrogen in a flask, t...
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