Why do scientists think Earth's core contains iron?

How do ocean currents affect temperature? check all that apply. they carry cold water from the poles to the equator and cool air over land. they flow north and then south below the equator. they flow south and then north above the equator. they move warm water from the equator to the poles and heat air over land. they move east to west and create prevailing winds. they move west to east and create seasonal winds.

Lines of longitude are like stripes from the top of the globe down to the bottom virtually slicing the earth like an orange

Asap! ! ! ! true or false the gobi desert, the largest desert in asia. covers parts of northern china and southern russia