Chloroplasts contain pigments that absorb light and use this energy to move electrons to reactions that need the electrons for bonding. Which chemical reaction provides the electrons? A. breakdown of glucose molecules yielding carbon dioxide.
B. breakdown of water molecules yielding oxygen
C. breakdown of oxygen molecules yielding water
D. formation of water molecules yielding carbon dioxide

Which nucleotide component contains nitrogen

What type of tree is the tallest tree in the world?

Match each description with the correct form of energy. 1. energy of an object's position above the ground. 2. stored in the bonds of atoms and molecules 3. stored in the nucleus of an atom 4. energy of vibrating molecules 5. movement of objects used to do work 6. created by vibrations in electric and magnetic fields chemical energy mechanical energy heat gravitational energy light nuclear energy