Answers by Sergey Pekar
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Answers by Sergey Pekar

Answers by Sergey Pekar
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How many blood cells does an average human have.
answered Jan 17, 2018
3 votes
18.8k views
Convert 1.835 × 10−4 to standard notation.
answered Dec 31, 2017
4 votes
14.5k views
Which of the following tools should a scientist use to measure an object in Kelvin? A. Electronic balance B. Graduated cylinder C. Ruler D. Thermometer
answered Dec 9, 2017
5 votes
207k views
Which element has atoms that can bond with each other to form long chains or rings? (1) carbon (3) oxygen (2) nitrogen (4) fluorine
answered Jul 22, 2017
3 votes
107k views
To explain the photoelectric effect, Albert Einstein linked the photoelectric effect to an idea from which scientist?
answered Apr 19, 2017
3 votes
66.5k views
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