Author Question: The heaviest nuclei of all are formed A) in the horizontal branch. B) in dense white dwarfs. C) ... (Read 72 times)

Anajune7 · **on:** Jul 27, 2018

The heaviest nuclei of all are formed

A) in the horizontal branch.
B) in dense white dwarfs.
C) during nova explosions.
D) in the ejection of matter in the planetary nebula.
E) in the core collapse that set the stage of Type II supernovae.

Question 2

Why is it summer in the Northern Hemisphere when it is winter in the Southern Hemisphere?

A) The Northern Hemisphere is closer to the Sun than the Southern Hemisphere.
B) The Northern Hemisphere is on top of Earth and therefore receives more sunlight.
C) The Northern Hemisphere is tilted toward the Sun and receives more direct sunlight.
D) The Northern Hemisphere is tilted away from the Sun and receives more indirect sunlight.
E) It isn't: both hemispheres have the same seasons at the same time.