user
i go up and down-but never move  i go from place to place-but you cant see me  i can effect the lives of people-but they cant effect me  i am on television every day  what am i????
A: virus
B: greenhouse effect
C: color
D: temperature
E: movement
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

D

<|end_of_solution|>