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8090 [49]
2 years ago
13

HELPPPPPP (This is for Astronomy i put physics cuz that’s the closest thing)

Physics
2 answers:
Alchen [17]2 years ago
7 0

Answer:

I'm thinking C) They are found in clumps called clusters and superclusters.

Explanation:

Galaxies with stronger gravity cause others to get close to them which means they created clusters

trasher [3.6K]2 years ago
3 0

Answer:

C

Explanation:

Because when they clump together they bind. Get it?

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The eiffel tower is a steel structure whose height increases by 19.5 cm when the temperature changes from −8 to +42 °c. what is
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 The coefficient of expansion is 13 * 10^-6 m per meter length.per oK 
The temperature difference = 42 - - 8 = 50 oC 
delta T = (42 + 273) - (-8 + 273) = 50 oK 
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0.195= L * 13 * 10^-6 * 50 L = 0.195 / (13*10^-6*50) L = 300 m 
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