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.
<span>A. replacing private ownership with common ownership
</span>After World War II, Mao Zedong believed that improvements in farm production could be achieved only by replacing private ownership with common ownership.
NOT:
<span>B. conquering the island of Taiwan
C. replacing common ownership with private ownership
D. sharing power with the Nationalist party</span>
There are 501 hotels totalling 144,321 rooms under contract in the Middle East and 285 hotels totaling 53,093 rooms under contract in Africa. Lastly, there are 427 hotels totaling 67,530 rooms under contract in the Central/South America region, according to the November 2015 STR Global Construction Pipeline Report.
Hope I helped!
Answer:
Sus animales misteriosos y gigantes que se ocultan bajo el mar
Explanation: