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I am Lyosha [343]
3 years ago
12

(I will give brainliest whoever helps me !!)

Physics
1 answer:
lorasvet [3.4K]3 years ago
3 0
C. Forces have mass and take up space
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If you want to stop the current flow through Device 3 in the circuit shown above, which one of the following single switches sho
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Thats a hard one, From The looks of it, it looks like B, Because it would leave a gap in the flow for a small amount of time
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Which of the following terms best describes a group of thousand galaxies?
Ivahew [28]
Hey there! :D

Cluster- a group of stars or galaxies forming a relatively close association. 

<span>Constellation- A group of stars that makes a shape, and has a name that is well known. 
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<span /><span>Solar system- a system of planets revolving around a center, or sun. 
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Universe- the whole wide range of galaxies, stars, and solar systems that were ever formed. 

The best answer would be "Cluster" because the universe is infinite, they are millions of galaxies, solar systems, and constellations in it. The question only states 'a thousand galaxies'. This is of one kind. This best works for the question.

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3 years ago
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A sample of polonium-210 was left for 414 days.
jenyasd209 [6]

Answer:

PO(1) = PO(0) / 2       1 refers to 1 half life of PO(0)

PO(2) = PO(1) / 2 = P(0) / 4        amount of PO left after 2 half-lives

PO(3) = PO(2) / 2 = PO(0) / 8     amount of PO left after 3 half-lives

414 da / 138 da = 3       3 half-lives pass in 414 da

PO(0) = 8 PO(3) = 8 * 1.45E-4 g = 1.16E-3 g = .00116 g  after 414 days        

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2 years ago
Which visible quality of smoke shows that it contains a
kvasek [131]

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C: Smoke rises out of very hot substances

Explanation:

Edge

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What are the four basic functions of a<br>medern computer?​
Snezhnost [94]

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input, output, processing and storage

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