Question

which gas is taken by plants at night

Answer 1

Oxygen is taken by plants at night and they give out carbon dioxide.

Answer 2

During the night, plants consumeoxygen but they don't release any. All plants and animals on earth engage in a process called respiration.Respiration combines oxygen and the food created during photosynthesis to produce usable energy. One of the byproducts of respiration is carbon dioxide.