Courtesy-abc For the human environment to function and sustain on a regular basis, planting of green plants is necessary. This is important as the levels of carbon dioxide are lowered by green plants by inhaling and exhaling more of oxygen.…
Courtesy-abc For the human environment to function and sustain on a regular basis, planting of green plants is necessary. This is important as the levels of carbon dioxide are lowered by green plants by inhaling and exhaling more of oxygen.…