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Author Question: The proton-proton chain requires a temperature of 100 million K to get started. Indicate whether ... (Read 79 times)

EAugust

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on: Jul 27, 2018
The proton-proton chain requires a temperature of 100 million K to get started.
 
  Indicate whether the statement is true or false

Question 2

If we know the size of an asteroid, we can determine its density by
 
  A) comparing its reflectivity to the amount of light it reflects.
  B) looking for brightness variations as it rotates.
  C) determining its mass from its gravitational pull on a spacecraft, satellite, or planet.
  D) radar mapping.
  E) spectroscopic imaging.


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C.mcnichol98

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

FALSE

Answer to Question 2

C


EAugust

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Reply 2 on: Jul 27, 2018
:D TYSM

Bigfoot1984

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Reply 3 on: Yesterday
Gracias!

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