Great amounts of energy are released
in the core of a star as lighter elements
combine and form heavier elements
during the process of
(1) compaction
(2) condensation
(3) radioactive decay
(4) nuclear fusion

Great amounts of energy are released in the core of a star as lighter elements combine and form heavier elements during the process of nuclear fusion.

Explanation:

answer; /// i believe that the correct answer is ( monophasic ); ethinyl estradiol- ethynodiol diacetate is a monophasic oral contraceptive agent; ///

b) the inside picture would look at a very high temperature in a very low ph