B, the independent variable because this is the one that is purposefully changed in an experiment to test the hypothesis.
Stream bts dynamite !!!!!!:)
The answer is: An air conditioner that turns on if the temperature gets too hot.
Even though they hurt you emotionally, Negative feedbacks serve their own important function. They keep your feet on the ground and prevent you from getting too arrogant.
This function is similar as a cooling air conditioner. Hot temperature in the comparison above represent your arrogance and the air conditioner represent the negative feedback.
Answer: False
Explanation: This is FALSE because the bats make a high frequency sound and we can't hear that type of sound.
