Hazadous Earth Flashcards
1
Q
Oceanic crust
A
It’s much thinner than a continental crust, it’s made up of an igneous rock called basalt and is usually 6-8km thick
2
Q
Continental crust
A
A continental crust is much thicker than an oceanic crust, it’s mostly made up of granite and is on average 30-50km thick
3
Q
What is the lithosphere split into?
A
Tectonic plates
4
Q
What is the lithosphere?
A
It’s the uppermost layer of the earth, and is cool and brittle. It includes the very top of the mantle and above this is the crust
5
Q
Where is the asthenosphere?
A
It’s in the top layer of the mantle
6
Q
What does Bangladesh do to plan and prepare for cyclones?
A
- ## they have a team that will check the wether forecast and broadcast it on the tv or radio
