Earth Life

The inner core of the earth is made up of

• solid iron

• liquid metals

the outer core of the earth's structure is made up of

• solid iron

• liquid metals

mantle molten lava creates

• helps the earth to stay together and not move

• currents for crust to move and crack

• erosion

In the mid Atlantic ridge where does the mantle lava come up

• right side

• center

• left side

• under it

what happens at the mid Atlantic ridge

• new ocean floor is created

• new ocean floor is destroyed everyday

the continental edges are

• new rock

• old rock

the earths crust is broken into

• plates

• metals

• rocks

where do plate tectonics move

• over the mantle

• over the earths crust

• on the floor of the earth

The continents sit on

• iron

• plates

• lava

How were the earth's continents once connected in one land called

• Paleozoic

• Pangea

• Mesozoic