Cell Work Unit Test A scientist fills a glass container with water and places an aquatic plant inside the container, then closes the lid and
places the container in direct sunlight. The scientist observes small bubbles on the surfaces of the plant's leaves on
days 1 and 2, but no bubbles on day 3. The scientist concludes that the bubbles were caused by photosynthesis.
Which substance should be added to the water in order for the bubbles to reappear? (1 point)
Item 1
Item 2
Item 3
o hydrogen gas
Item 4
Oglucose
Item 5
O oxygen
Item 6
carbon dioxide