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noname [10]
3 years ago
13

The two primary roles that can increase pedestrian safety are:

SAT
2 answers:
ioda3 years ago
5 0
True, because with bright clothes the cars will be able to see pedestrians if it was dark & the sexond one is obvious
Gemiola [76]3 years ago
4 0
True because if cars can see you, you are less likely to be run over. The second one is obvious because you can see who approaches you.
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What advice would you give someone when deciding whether a news story is reliable? Be sure
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Id say definitely read the url and put it in a url scanner if a news article is factual there’s probably other news articles with the same facts try to find some of those
8 0
3 years ago
Read 2 more answers
77 out of 84 is what percent
Pavlova-9 [17]
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84-100%
77-x%
x=77*100/84≈91,67%
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4 years ago
Yall should listen to " Daisys by Ashnikko"
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5 0
3 years ago
The split between African apes and Asian apes likely occurred approximately ____ million years ago. quizlet
SSSSS [86.1K]

The split between African apes and Asian apes likely occurred approximately 20 million years ago.

<h3>What is the history of certain Animals?</h3>

Apes are primates which are mammals that have the following characteristics:

  • Hair instead of fur
  • Fingernails instead of claws
  • Opposable thumbs
  • Higher brain-to-body size ratio.
  • High level of intelligence

Now, from evolution study in history, it has been discovered that African apes and asian apes split approximately 20 million years ago.

Read more about Animal History at; brainly.com/question/11825989

#SPJ1

8 0
2 years ago
An aqueous solution of nitric acid contains 70. 0 % hno3 by mass. The density of hno3 is 1. 42 (g/cm3). Express the mass percent
svetoff [14.1K]

The mass percent of HNO₃ in molarity is 15.76 M.

<h3>Assumption</h3>

Let the mass of the solution be 100 g.

Therefore, the mass of 70% HNO₃ in the solution is 70 g

<h3>Determination of the mole of HNO₃</h3>
  • Mass = 70 g
  • Molar mass of HNO₃ = 1 + 14 + (3×16) = 63 g/mol
  • Mole of HNO₃ =?

Mole = mass / molar mass

Mole of HNO₃ = 70 / 63

Mole of HNO₃ = 1.11 mole

<h3>Determination of the volume of the solution</h3>
  • Mass of solution = 100 g
  • Density of solution = 1.42 g/cm³
  • Volume of solution =?

Volume = mass / density

Volume of solution = 100 / 1.42

Volume of solution = 70.42 cm³

Divide by 1000 to express in L

Volume of solution = 70.42 / 1000

Volume of solution = 0.07042 L

<h3>Determination of the molarity</h3>
  • Mole of HNO₃ = 1.11 mole
  • Volume of solution = 0.07042 L
  • Molarity =?

Molarity = mole / Volume

Molarity = 1.11 / 0.07042

Molarity = 15.76 M

Learn more about molarity:

brainly.com/question/14531592

4 0
3 years ago
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