a heavy metal ball falls vertically downwards through air past four equally spaced levels J, K,L and M.​

To run the physics cart, the fan speed of the cart is manipulated. this is the (blank) variable. the cart accelerates due to the speed of the fan. acceleration is therefore the (blank) variable. a “constant” is a parameter that stays the same regardless of the variables. one parameter of the cart that is held constant is the (blank) .

What is a carrier wave and how does it affect what you hear on the radio

How to tell if a molecule is polar or nonpolar with electronegativity