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Alecsey [184]
3 years ago
14

Why was the st valentine's day massacre important? And why are students studying this case?

Physics
1 answer:
Scilla [17]3 years ago
3 0

Answer:

Saint Valentine's Day Massacre, (Feb. 14, 1929), mass murder of a group of unarmed bootlegging gang members in Chicago. The bloody incident dramatized the intense rivalry for control of the illegal liquor traffic during the Prohibition Era in the United States.

hope it help u make me brainlist okkkkkkkkkkk.........

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Why can’t solids flow
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Answer:

basically they have too much mass in them

Explanation:

They are held tightly together by strong forces of attraction. They are held in fixed positions but they do vibrate. Because the particles don't move, solids have a definite shape and volume, and can't flow. Because the particles are already packed closely together, solids can't easily be compressed.

6 0
3 years ago
ANSWERS UNDER QUESTIONS:
Julli [10]
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Explanation:

Refraction is a phenomenon in which a wave (the light in this case) bends or changes its direction <u>when passing through a medium with a refractive index different from the other medium.</u>  Where the Refractive index is a number that describes how fast light propagates through a medium or material.  

According to this, if we observe the rays  A an D passing throgh the biconcave lens, we will have two mediums:

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This two mediums have different refractive indexes, hence the rays will change the direction.

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6 0
3 years ago
Read 2 more answers
An atom that has fewer neutrons than protons and more electrons than protons is a ion
riadik2000 [5.3K]

i think it is an ion

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Li2O
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Hope this helped.
5 0
3 years ago
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