In this graph (mass vs volume), what does the slope represent? I will mark brainliest

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

If element x has 99 protons how many electrons does it have

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=