Which terms describe the purpose of antennas on devices that use radio waves? transmit and receive
modify and amplify
amplify and receive
modify and transmit

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?

The mantle is made up of which structural zones?

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units