Question 1 (Mandatory) (2.5 points)
Question 1 Unsaved
How does the Sun's energy power the water cycle?
Question 1 options:
1) Solar winds move clouds.
2) Solar energy reflects off the Moon at night, causing evaporation.
3) Solar flares melt glaciers.
4) Heat from the Sun's rays turns liquid water into vapor during the process of evaporation.
Question 2 (Mandatory) (2.5 points)
Question 2 Saved
How does the Sun's energy power the carbon cycle?
Question 2 options:
1) Plants use sunlight and carbon dioxide from the atmosphere to power photosynthesis.
2) Animals use sunlight and oxygen in the process of respiration.
3) Oceans use sunlight to absorb carbon dioxide form the atmosphere
4) Heat from the sun causes plants to lose carbon dioxide in the process of transpiration.