Science

the outer layer of the earth is

the center of the earth is

• mantle

• core

• magma

• crust

the thickness of the crust under the ocean is............. thick

• 70km

• 90km

• 5km

area between the land and sea is

• border

• landside

• coastal

• earthquake

............ is the point in the crust under the Earth's surface where the earthquake starts.

• Focus

• Epicenter

• volcano

• tsunami

...........is a huge wave which happens when an earthquake starts under the sea

why does the fish have fins and gills

• to help them rest and eat in the ocean

• to help them swim and breath in the ocean

• to help them change their body temperature in the ocean.

why do tigers have stripes coat?

• to help them run fast

• to help them hide and blend in the forest

• to help them eat animals

the crust consist

• magma

• rocks

• nickel and iron

the mantle consists

• rocks

• magma

• nickel and iron