Across
- 3. transparent, liquid form
- 5. can occur only when a plant access to water,carbon dioxide,sunlight and chlorophyll
- 6. sugar
- 7. odorless, colorless, atomic number 8
Down
- 1. a green pigment
- 2. dioxide nonmetals,CO2
- 4. a plastid that contains chlorophyll and which photosynthesis takes place