Most of the Southern Europe's terrain is moutaineous.
Answer:
B. Aerobic bottom water
D. High organic productivity in the overlying oxygen rich water
Explanation:
A Shale is a sedimentary rock usually formed from silt and clay-size mineral. There are different colors of Shale. The Black Shale is formed under anaerobic conditions. This means that oxygen is deficient in the water where the Shale forms.
A little amount of organic materials is required for the formation of Black Shale and because Black Shale is formed in an environment lacking oxygen, an oxygen-rich water would not be necessary for its growth. Sediments are necessary in the formation of Black Shale.
The major sources of Pakistan Ideology are:
- Their Common Religion.
- Their Common Culture.
- Their Common Causes.
- Their full and undivided Dedication and Pledges.
<h3>What is the ideology of Pakistan?</h3>
They are known to use the two-nation theory that was propagated by the All India Muslim League is the setting up principle of the Pakistan Movement.
Note that The major sources of Pakistan Ideology are:
- Their Common Religion.
- Their Common Culture.
- Their Common Causes.
- Their full and undivided Dedication and Pledges.
Learn more about Pakistan Ideology from
brainly.com/question/14601361
#SPJ1
I think the answer is D:all of the above.
They all contain a gravitational pull that allows them to stay together and to keep objects within orbit
