If I had to pick one I would say that it would be because it can extend a joint beyond its regular range of motion.
Iodine solution is used to test leaves for the presence of starch. You need to: heat a plant leaf in boiling water for 30 seconds (this stops its chemical reactions) heat it in boiling ethanol for a few minutes (this removes most of its colour)
C - The benefits of taking placebos
That is a true statement.
Answer:
True, because expressing your opinion or thoughts correctly and thoroughly. It will be received by the listener perfectly.