True or false the dopper effect explains why you hear a train whistle differently after it passes you than you do as it approaches you

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

Which terms describe the purpose of antennas on devices that use radio waves? transmit and receivemodify and amplifyamplify and receivemodify and transmit

A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.