Answer:
1. Photosynthesis is the process of converting light energy into chemical energy in the form of glucose and oxygen by photosynthetic organisms.
2. It takes place in the chloroplasts of plant cells and involves several critical steps.
3. Chlorophyll and other pigments absorb light energy, which is used to convert CO2 and H2O into glucose and O2.
4. Photosynthesis provides the primary source of food and oxygen for all living beings and plays a crucial role in regulating the Earth's atmosphere and climate.
5. It is a vital and indispensable process for the survival and thriving of life on Earth.