If you wanted to make all days on earth the same length, what would you have to do? a) keep the earth from tilting on its axis. b) increase the speed of the earth’s rotation. c) tilt the northern hemisphere all the way toward the sun. d) tilt the southern hemisphere all the way toward the sun. (p. s this is science)

Select the statements below that correctly describe where earth's three most abundant elements (iron, oxygen, and silica) are located. choose one or more: the majority of iron is located in the core. silica is abundant in the mantle and crust. the majority of oxygen is located in the crust and mantle. oxygen is only located in earth's atmosphere and is not found anywhere inside earth. silica is abundant in the crust, mantle, and core. no iron is located in the crust.