If we always drop the balls from 1-m height in each trial, what type of variable
is this in this experiment?
Constant Variable
Dependent Variable
Independent Variable

Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?

What are similarities and differences of reflection, refraction, diffraction and absorption?

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.