Earths structure mantle Flashcards
1
Q
what is the mantle
A
The mantle is between the crust and core and is the widest layer
2
Q
The upper mantle has two layers:
The rigid layer above the asthenosphere is called what
A
which together with the crust, makes up the lithosphere
3
Q
The upper mantle has two layers The asthenosphere which is
A
a semi-molten, plastic type layer, which moves under high pressure
4
Q
The lower mantle is what compared to upper
A
hotter and denser than the upper mantle
5
Q
The intense pressure at the depth of the lower mantle keeps it
A
keeps the lower mantle solid
6
Q
A
