Why
decay
can the effects of radioactive
on the body be useful and harmful?

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

Why do different substances have diffrent properties