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Alexandra [31]
3 years ago
7

Make a circle graph for each set of data. Top 5 Most Linked-To Sites on the World Wide Web Site Hits (millions) America Online (

www.aol.com) 93.0 Microsoft (www.msn.com) 83.8 Yahoo! (www.yahoo.com) 80.2 Terra Lycos (www.lycos.com) 40.3 About (www.about.com) 36.6 Source: Scholastic Kid’s Almanac, 2001 a. A circle graph. America Online is about 25 percent; Microsoft, 25 percent; Yahoo 23 percent; Terra Lycos, 15 percent; About, 10 percent. c. A circle graph. America Online is about 27 percent; Microsoft, 27 percent; Yahoo 22 percent; Terra Lycos, 12 percent; About, 10 percent. b. A circle graph. America Online is about 12 percent; Microsoft, 10 percent; Yahoo 27 percent; Terra Lycos, 17 percent; About, 23 percent. d. A circle graph. America Online is about 12 percent; Microsoft, 10 percent; Yahoo 25 percent; Terra Lycos, 25 percent; About, 20 percent. Please select the best answer from the choices provided A B C D
Chemistry
1 answer:
strojnjashka [21]3 years ago
7 0

Answer:

it is a

Explanation:

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Before the development of electrophoresis to separate macromolecules, ____________ was used.
max2010maxim [7]

Before the development of electrophoresis to separate macromolecules, high-speed centrifugation was used to isolate DNA.

A laboratory procedure called electrophoresis is used to divide DNA, RNA, or protein molecules according to their size and electrical charge. The molecules are moved by an electric current through a gel or other matrix. The technology of electrophoresis is crucial for the separation and examination of nucleic acids. At the lab bench, cloned DNA fragments are frequently isolated and worked with using nucleic acid electrophoresis.

High-speed centrifugation employs centrifugal force to separate particles with various densities or masses suspended in a liquid. High-speed rotation of the solution inside the tube causes each particle's angular momentum to experience centrifugal forces inversely proportionate to its mass.

To know more about electrophoresis refer to: brainly.com/question/28709201

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4 0
1 year ago
The three naturally occurring isotopes of potassium are 39K, 38.963707u; 40K, 39.963999u; and 41K.The percent natural abundances
sweet-ann [11.9K]

Answer:

The isotopic mass of 41K is 40.9574 amu

Explanation:

Step 1: Data given

The isotopes are:  

39K with an isotopic mass of 38.963707u and natural abundance of 93.2581%

40K with an isotopic mass of 39.963999u

41K wit natural abundance of 6.7302 %

Average atomic mass =39.098 amu  

Step 2: Calculate natural abundance of 40 K

100 % - 93.2581 % - 6.7302 %

100 % = 0.0117 %

Step 3: Calculate isotopic mass of 41K

39.098 = 38.963707 * 0.932581 + 39.963999 * 0.000117 + X * 0.067302

39.098 = 36.33681 + 0.0046758 +  X * 2.067302

X = 40.9574 amu

The isotopic mass of 41K is 40.9574 amu

8 0
3 years ago
Marshall determines that a gas has a gage pressure of 276 kPa. What's the absolute pressure of this gas?
Mariana [72]
C.... 376 tbh just took the test and was right
5 0
3 years ago
Read 2 more answers
Is C2H6 empirical molecular or both
marshall27 [118]

Answer:

molecular

Explanation:

7 0
3 years ago
Magnetism is believed to be caused by the alignment of small, numerous sub-units called
77julia77 [94]

Answer:

Magnetism is believed to be caused by the alignment of small, numerous sub-units called : <em><u>Domains</u></em>

<em><u></u></em>

Explanation:

Domains : A magnetic domain is the region in which in which magnetic field of the atoms are grouped together and aligned.

  • In unmagnetized material all the magnetic Domains  point in different direction.
  • In magnetised material (ferromagnets , antiferromagnets) , The Domains point in a particular( fixed Pattern) direction.

5 0
3 years ago
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