Q1. The average salinity of seawater is 35ppt and the average salinity of freshwater is 0ppt. If you are given a sample of water that has a density of 7ppt and is rich in nutrients, where in the ocean did the sample probably come from?

Q2. Propose two ways the photosynthesis process be improved to fix more CO2 than normal and the plant productivity can be increased. Be detailed about the procedure and enzymes involved.

Q3. If the sequence TCGTA was used as a template in DNA replication, what will the sequence of bases be on the newly synthesized strand?