1. Is electrolysis a chemical or physical change? 2. Do the number of carbon atoms go up, down or remain the same in photosynthesis?
3. Does mass change in a physical or chemical reaction?
4. Understand how to balance the equation for cellular respiration.

Brian has a medical condition called cone dystrophy, which is a disorder of the cone cells in the eye. what symptoms would you expect brian to have? a. inability to see in the dark b. difficulty determining colors c. difficulty determining shapes and outlines d. inability to see in all light conditions