What type of energy is stored in chemical bonds of molecules ?

With i really need the correct answer!

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.