The earth may be covered by many plants and have more water resource,fresh air,and natural resources than now because their is no any pollutant that can pollute the air water and soil so there may not be any kind of pollution and also there is more plant resource than now because now a day's most forests and plant vegetations are cuted down to make houses and also huge factories.
Plants need the energy glucose provides in order to grow and reproduce. Glucose is also required for the process of cellular respiration, in which plants convert carbon dioxide from the air into oxygen
