Author Question: What kinds of atomic nuclei formed during the nucleosynthesis era? A) only hydrogen B) ... (Read 78 times)

anjilletteb · **on:** Jul 27, 2018

What kinds of atomic nuclei formed during the nucleosynthesis era?

A) only hydrogen
B) essentially all of the chemical elements, except for those heavier than uranium
C) roughly equal amounts of hydrogen, helium, lithium, beryllium, and boron
D) only helium
E) hydrogen, helium and trace amounts of lithium, beryllium, and boron

Question 2

Most of the planets discovered around other stars using the Doppler technique

A) are more massive than Earth and orbit very close to the star.
B) are found around neutron stars.
C) are less massive than Earth and orbit very close to the star.
D) are more massive than Earth and orbit very far from the star.
E) are less massive than Earth and orbit very far from the star.