The first step in the proton-proton chain produces an ...

[ghost!]

The first step in the proton-proton chain produces an antielectron, or positron. What happens to the positron?
 
  A) It slowly works its way to the Sun's surface, where it escapes into space.
  B) It rapidly escapes from the Sun, traveling into space at nearly the speed of light.
  C) It is rapidly converted to energy when it meets an ordinary electron, resulting in matter-antimatter annihilation.
  D) It quickly meets an ordinary electron, forming an electron-positron pair that remains stable.
  E) It joins with a nearby neutron to form a proton.

Question 2

The tallest volcano in the solar system is Mauna Kea, when measured from its base on the ocean floor to its highest point.
 
  Indicate whether the statement is true or false

[jennafosdick]

Answer to Question 1

C

Answer to Question 2

FALSE

[ghost!]

Gracias!

[xiazhe]

TYSM