Across
- 3. the process of intake of food and utilising it for all life processes
- 5. water from oceans can be used for generating this type of electricity
- 7. it is one of the constituents of biosphere
- 8. the process of inhaling oxyhen and exhaling carbon dioxide
- 10. the process by which plants make food
Down
- 1. the process of eliminating waste substance from body
- 2. the process of change of gaseous state directly into solid state
- 4. how many states of substances are there?
- 6. living things are made up of
- 9. pulses are good source of