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Author Question: What two quantities did Edwin Hubble plot against each other to discover the expansion of the ... (Read 50 times)

WhattoUnderstand

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on: Jul 27, 2018
What two quantities did Edwin Hubble plot against each other to discover the expansion of the Universe?
 
  A) velocity and distance
  B) luminosity and distance
  C) velocity and temperature
  D) luminosity and temperature
  E) age and distance

Question 2

Which of the following is the most important for maintaining a stable climate on Earth over the time it took for large organisms to evolve?
 
  A) sustained volcanic activity
  B) the cessation of the heavy bombardment phase
  C) plate tectonics
  D) the Moon
  E) underground sea vents


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yasmina

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


WhattoUnderstand

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

kusterl

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Reply 3 on: Yesterday
Excellent

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