Across
- 4. used in the thermometer to measure the body
- 5. first trophic level in the food chain
- 6. changing solid into liquid
- 8. part of the plant that evaporates water
- 9. primary source of food is based on plants
- 10. non-luminous
Down
- 1. winter sleep
- 2. device is used to measure the atmospheric
- 3. main reason for blueness of the sky
- 7. renewable source of energy
