I would asy thd answer would be d if its not my bad .
Answer:
Explanation:
Loess is a sediment that is formed from silt deposits due to wind. The composition of the silt is clay and sand. The components are cemented together by calcium carbonate. The silts are blown by wind and accumulate in a singular location.
The products of anaerobic respiration are lactic acid, carbon dioxide, and water.
Answer:
I am 100% sure it is the mudstone. I believe they are the oldest rock in existence.
Explanation: