GIVING 50-100 POINTS!! PLEASE HELP ME!

Live Worksheet: Heating and Cooling curves.

really need help! I Don’t understand!! :(

If you don’t mind please explain me the answers :)

GIVING 50-100 POINTS!!

Give your knowledge of these things in your paper, you will compare and contrast analog and digital signals to determine which is more reliable for encoding and transmitting information. you’ll compare these features: signal shape numerical values for signal measurements amount of data that can be transmitted energy requirements privacy and security (ability of the signal to be encoded in a secret code) clarity of signal in the space provided, write down what you already know about any of these features. if you’re not sure, write down questions you might have about the features.

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?

Coal contains energy. a. light b. kinetic c. chemical d. mechanical