Are human made.

a. synthetic
b. subunit
c. natural
d. macromolecule

To travel at constant speed, a car engine provides 24kw of useful power. the driving force on the car is 600n. at what speed does it travel?

The substances that are necessary for producing of certain hormones and that store and transport vitamins

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell