Author Question: How many helium nuclei fuse together when making carbon? A) 2 B) 3 C) 4 D) varies depending on ... (Read 63 times)

joblessjake · **on:** Jul 27, 2018

How many helium nuclei fuse together when making carbon?

A) 2
B) 3
C) 4
D) varies depending on the reaction
E) none of the above

Question 2

According to our present theory of solar system formation, why were solid planetesimals able to grow larger in the outer solar system than in the inner solar system?

A) because the Sun's gravity was stronger in the outer solar system, allowing more solid material to collect
B) because only metal and rock could condense in the inner solar system, while ice also condensed in the outer solar system
C) because gas in the outer solar system contained a larger proportion of rock, metal, and hydrogen compounds than the gas in the inner solar system
D) because only the outer planets captured hydrogen and helium gas from the solar nebula