Which of these statements is TRUE about a nonrenewable energy resource? A. Its supply will never run out. B. It is used up faster than it is made. C. It cannot be burned as fuel. D. It can be replaced faster than it is used.

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms

What is the relationship of air masses and the temperature of oceans?