Author Question: In the proton-proton cycle, the positron is: A) massless. B) a spin conservation particle. C) ... (Read 58 times)

jilianpiloj · **on:** Jul 27, 2018

In the proton-proton cycle, the positron is:

A) massless.
B) a spin conservation particle.
C) an anti-electron.
D) the chief means energy reaches the photosphere.
E) intermediate between the proton and neutron in mass.

Question 2

Which of the following characterizes a shield volcano?

A) It is dormant.
B) It can erupt only briefly before being dragged off the hot spot.
C) It sits above a hot spot in the planet's crust or mantle.
D) It forms along a plate boundary.
E) It cannot grow very large, for it has a very short span of eruption.