Answer:
A) oxygen
Step-by-step explanation:
The gas given off will most probably be oxygen gas.
- On a bright sunny day, plants will undergo the process of photosynthesis.
- It is the process by which green plants manufacture food.
- In this process, carbon dioxide is combined with water to produce glucose and oxygen gas
- Glucose is a compound stored in plants
- The by-product is oxygen gas
The student will most likely collect the oxygen gas.