Answer:
<em>Respiration and photosynthesis. </em>
Explanation:
<em>Respiration provides the cell with oxygen while photosynthesis provides it with carbon dioxide. Both functions release what is needed for the other. Therefore, these functions interact.</em>
Per calendar year (365 days) there are 31536000 seconds
1 condensation 2 precipitation 3 runoff 4 evaporation.
