Which isotope for copper is more common on earth? which is more common in rocks? (choices are copper 65 or copper 63)

answer; /// the above statement is (true);

god i hope this !

if i am correct, your answer choices are:

a. the temperature remains constant

b. the temperature increases at a constant rate

c. heat flows at a constant rate into the system

d. heat flows at a constant rate out of the system

e. no heat flows into or out of the system

if so, then the answer is e. no heat flows into or out of the system.