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balu736 [363]
3 years ago
12

The phase change in which a substance changes from a liquid to a solid is A. freezing. B. melting. C. sublimation. D. condensati

on.
Chemistry
1 answer:
vovangra [49]3 years ago
4 0

freezing. Think of what happens when you put water in the freezer

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assuming that each human being has 60 trillion body cells in that the earths population is 6 billion calculate the total number
sesenic [268]

3.6 x 10²³

Explanation:

Given parameters:

  Number of cell per body = 60 trillion body cells

   Population of the earth = 6 billion

Unknown:

Total number of living human body cells = ?

Solution:

  To solve this problem, simply find the product:

 Total number of living human body cells = number of cell per body x population of the earth

          1 trillion = 1 x 10¹²

         60 trillion = 6 x 10¹³

         1 billion = 1 x 10⁹

         6 billion = 6 x 10⁹

Total number of living human body cells = 6 x 10¹³ x  6 x 10⁹

                                                                      = 6 x 6 x 10⁽¹³⁺⁹⁾

                                                                       = 36 x 10²² or 3.6 x 10²³

learn more:

Product brainly.com/question/10541435

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7 0
4 years ago
HELP!!!!!!!!! Match the term with the example that shows its definition.
Nikitich [7]

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How much voltage does a line with resistance of 10 ohms and current of 20amps?
Elena-2011 [213]
The answer is 200 volts.
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What is the name of the binary compound Mg3 (PO3)2? A. magnesium phosphate B. magnesium phosphide C. Tri magnesium diphosphite D
Setler [38]
The correct answer of the given question above would be option D. MAGNESIUM PHOSPHITE. The name of the binary compound Mg3 (PO3)2 is magnesium phosphite. Magnesium phosphate is <span>Mg3(PO4)2. Magnesium Phosphide is </span><span>Mg3P2. Hope this answer helps. Thanks for posting your question. </span>
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Dennis_Churaev [7]

Answer:

10 miles a day

Explanation:

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3 years ago
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