Why are microwaves beneficial to use for transmitting information

Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Which branches of natural science include the study of an organism that lived 10 million years ago