Terrestrial planets, like Earth, are made up of rock and metal. a. True b. False Indicate ...

Author Question: Terrestrial planets, like Earth, are made up of rock and metal. a. True b. False Indicate ... (Read 43 times)

tfester

Hero Member
Posts: 534

on: Jul 27, 2018

Terrestrial planets, like Earth, are made up of rock and metal.

a. True
b. False
Indicate whether the statement is true or false

Question 2

Molecular clouds are mapped using _____ gas instead of the most-abundant hydrogen because itradiates at radio wavelengths more efficiently.

a. oxygen III
b. oxygen II
c. helium II
d. carbon monoxide
e. carbon dioxide

kristenb95

Sr. Member
Posts: 318

Reply #1 on: Jul 27, 2018

Answer to Question 1

True

Answer to Question 2

d

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