Across
- 3. cellular respiration and photosynthesis are components of the _ cycle.
- 4. __ play a critical role in biogeochemical cycles because they break down dead matter into raw elements.
- 5. process required for cloud formation.
Down
- 1. water, carbon, or nitrogen cycling from the physical environment to living things is known as a ___ cycle.
- 2. precipitation and evaporation are components of the ___ cycle.
- 6. what is it called when liquid water vaporizes ?