1. All cycles
2. Sulfur cycle
3. Phosphorous
4. Phosphorous cycle
5. Nitrogen
6. Protein
7. Oxygen
Answer:
The human population increased slowly and then had a very rapid increase,
Explanation:
The graph shows a slow increase from 1300 until the line suddenly shot up. So it slowly increased that had a "rapid" increase.
Answer: NADH
Explanation: nicontinamide adenine dinucleotide (NAD) carrying two electrons and bonded with a hydrogen (H)