A ball is launched from the ground with a horizontal speed of 30 m/s and a vertical speed of 30 m/s. What will the vertical speed be right before it hits the ground?

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

What does every magnet possess? a. iron metal b. strong magnetic field c. repulsion d. north and south poles

Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?