I believe the best answer is C. i mean it has already made that progress, hints the term developed, not developing. i hope this helped, have an amazing day :)
Water is the source of life. It is one of the only ways to survive so without water, there is no life.
Mountain chains and river systems generally run North-South throughout the continent thus making for formidable barriers to East-West expansion.
Answer:
abyssal clay is not an example of biogenic sediments .
Explanation:
Any sediment containing more than 30% of organic matter in it , is called as biogenic sediment or biogenic ooze.
The two most common types of biogenic oozes are calcareous and sileceous.
abyssal clays are the fine grained sediment particles that are settled in the deep ocean basins.
abyssal clay mostly consists of land derived eroded particles and have less than 30% of organic matter in them ,
Hence , abyssal clay is not an example of biogenic sediment.