Answer:
b. Photosynthesis
Explanation:
Photosynthesis is the process by which producers make their own food from raw materials: carbon dioxide and water in the presence of sunlight.
I think using a nitrogen source would be important in this experiment because nitrogen is found in nucleic acids and proteins. The large amount of nitrogen in the atmosphere would be important in the experiment. Nitrogen element is found in a lot of compounds making it easy to access and that is why there is a lot of it in the atmosphere.
When heated, the molecules of the liquid inside the thermometer move faster. The molecules then spread further apart and have nowhere else to go other than up the glass tube.
Models and location is the most important
