When aluminum foil is formed into a loose ball, it can float on water. but when the ball of foil is pounded flat with a hammer, the foil sinks. why?

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

Gas cloud 1 is likely to form a star. gas cloud 2 is not. based on this information, match the given conditions with each cloud