D is the answer to this question.
The center of this air mass is a high pressure center located in northern Montana
Answer:
Amino Acids: Amino acids are a group of organic compounds that form the building blocks of proteins that make up 75% of the body. They are involved in almost every body function, including growth and development, healing and repair, normal digestion, and providing energy for your body.
Proteus- This organism is found on decaying bottom vegetation of freshwater streams and ponds.
Animalcules- This organism is commonly found in muddy swamps or canals.
Dubia- This organism is found on pipe surfaces and bulk water.