Author Question: If the average density of the universe is less than the critical density, the Universe is open. ... (Read 71 times)

jc611 · **on:** Jul 27, 2018

If the average density of the universe is less than the critical density, the Universe is open.

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

Question 2

The elements hydrogen and helium were made during the first few minutes after the big bang.

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