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.
Answer:
all you need to do is dived I think but it should give you the right answer if you dived.
Explanation:
Where is statement what we are say
Lots of food...agriculture is a big part of Asia's income...especially India. Many resources are made in China(which is part of Asia). I think 75 percent of things we use or eat is made or produced in Asia. SOme things are manufactured inEurope but really not many.
SOrry about my bad awnser but yh...
Answer:
The government maintains its efforts to clean up the river are on course. Water Resources Minister Nitin Gadkari said in December that the Ganges will be 70-80 percent clean within three months and 100 percent clean by March 2020.
Explanation:
