Question

What is the source of oxygen during night in respiration?

Answer 1

Answer:

tulsi plant releases oxygen during night

Explanation:

most of the plants take in oxygen in night and releases CO2. It is strange to know that tulsi saves water

Answer 2

Answer:

Respiration combines oxygen and the food created during photosynthesis to produce usable energy. One of the byproducts of respiration is carbon dioxide.