What is the name of the galaxy in which the earth resides?

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?