1) when the Trappean lava & Aden series lava was formed
2) what is atmospheric
lapse rate environmental lapse rate
3) Explain the difference b/n pangaea , gondwanaland and laurasia?
4) what is the rate of exogenic & endogenic force in the land form?
5) what are the four major eras & in geological time scale?
6) Write the name of the eras & their major events geological time scale?
7) List the sedimentary rock that formed during the Mesozoic era in Ethiopia & the Horn
8) Mention the faetures that seen on the floor of Ethiopian rift valley
9) Why Ethiopia described as water towers & Roof of north-east highland.
10) Rift valley divided the land of Ethiopia into North West & suoth-east highland.

3. pangaea is the most recent super continent, including; laurasia is the northern part todays northern america asia europe. & gondwanaland is the soutern part of pangaea todays Africa, Southern america, India , & Australia.

Explanation:

before 2.5 million years earth had one super continent called pangaea and super ocean called panthalasia.

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