Answer:
C. They are made from many carbon atoms
Explanation:
The disease is mainly caused by a lack of a slippery substance in the lungs called surfactant. This substance helps the lungs fill with air and keeps the air sacs from deflating. Surfactant is present when the lungs are fully developed.
https://medlineplus.gov/ency/article/001563.htm
Answer: dna to rna
Explanation: science class
Answer:B. Phosphorus cycle, because it is a biogeochemical cycle and does not involve the atmosphere
Explanation: