What can electromagnetic and mechanical waves not carry?

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

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.