PLEASE HELP 30 POINTS Using the H-R diagram provided, plot points on the given graph for the stars you researched. Use the circle tool to plot a point. Use the text box tool to label each point with the appropriate star name.

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

Which of the following statement is false ? a. batteries should never be stored on metal trays or outside in the elements)b, battery acid cannot be neutralized)c. do not stack batteries on top of each other)d. never put a damaged battery in a dumpster. i