Answer:
they are made to work together and there ae different types
Explanation:
there just made like that
It’s the 3rd one! The O + O!!
If a decaying baby teeth is untreated properly without an expert's care, it may lead to permanent and serious problems in the developing permanent teeth. Which why it is advisable for parent to bring their children to their family dentist for regular check-ups to diagnose any present problems in the teeth and may be fixed right away.
photosystem 2, photosystem 1, pumping hydrogen..., and making NADPH