Which is the best example of a question that could be used to develop a testable hypothesis? Does altitude affect how food tastes? What is the best brand of window cleaner? What is the effect of unfiltered water on plant growth? Does temperature affect human emotion?

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!