Which of the following is of great importance to the existence of plants?

Carbon (IV) oxide is of great importance to the existence of plants. Plants, like all living organisms, require certain elements to survive and grow. One of the most important elements for plants is carbon, which they obtain from carbon dioxide (CO2) in the atmosphere. During photosynthesis, plants use energy from the sun to convert carbon dioxide and water into glucose (sugar) and oxygen. This process not only allows plants to produce their own food, but it also releases oxygen into the atmosphere, which is necessary for the survival of animals and humans. Industrial effluent and metal scraps are pollutants that can harm plants and other living organisms, and they are not necessary for the existence of plants. Carbon (II) oxide does not exist in nature; the correct term is carbon monoxide, which is a toxic gas that can be lethal to plants and animals at high concentrations.