Day 10
Photosynthesis and Cellular Respiration
-where does oxygen come from? How can we live on another planet?
-All energy on this planet comes from the sun. Plants convert the suns energy for us to use.
Photosynthesis and Cellular Respiration
-where does oxygen come from? How can we live on another planet?
-All energy on this planet comes from the sun. Plants convert the suns energy for us to use.