Saturn's rings: 1.) are smaller than Jupiter's

2.) are made of ice and dust

3.) do not have any space between them

4.) can only be seen when the sun is behind the planet

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.