Question 1
The temperature of a red giant increases rapidly because ________.
◦ friction from the collapse creates heat
◦ fusion increases and gives off heat
◦ gravitational energy is converted to heat
◦ endothermic chemical reactions occur
◦ exothermic chemical reactions occur
Question 2
Every stage of a star's life is ruled by ________.
◦ the amount of dark matter it possesses
◦ its location in the galaxy
◦ inertia
◦ gravity