Lines of longitude do not affect climate because landmasses fall along the same line, regardless if they are at the top of the globe or the bottom.

i would think it's food chain

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.