What can be described as a technology that uses high-frequency sound waves to create images?

Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?

More solar radiation is absorbed by earth’s surface than by

What does the law of conservation of mass state?