Across
- 4. resembling metals or metal
- 7. results from the disintegration of rocks
- 10. types of minerals such as meat, cereals, fish, dairy foods, fruits and vegetables, etc.
- 11. H2O
- 13. mostly used for road construction and maintenance
- 14. siliceous sedimentary rock composed mainly of the fossilised skeletal remains of diatoms
- 15. limbless animal with gills
Down
- 1. a sedimentary rock made of calcium carbonate
- 2. used as a fuel to generate power
- 3. round fruit with red, yellow, or green skin.
- 5. produced from trees
- 6. Production of fruits, vegetables, milk, meat, etc.
- 8. small rocks and pebbles a little bigger than sand
- 9. contains all major nutrients for basic plant nutrition
- 12. it is mixed with water to form concrete
