Which statement about the layers of Earth is true? A.
The mantle consists of molten iron.
B.
The inner core of Earth is made up of molten nickel.
C.
The lithosphere is the outermost layer of Earth.
D.
The mesosphere is sometimes referred to as the crust.

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.

In wegener’s evidence for continental drift, continents were proposed to fit together, such as the east coast of south america with the west coast of europe. east coast of africa. west coast of greenland. lower west coast of africa.

What is the approximate chemical composition of the solar nebula?