Answer:
water molecules
Explanation:
In photosynthesis, electrons that travel through the electron transport chain in the thylakoid membrane come from water molecules.
Water molecules supply electrons for electron transport in photosynthesis.
A planet in our solar system is like the earth it is stable to live on but anything can happen while you are on it but and a dwarf planet it is not for everyday life so humans can not live on a dwarf planet like they could on one in the solar system
The answer would be osteoporosis
Osteoporosis comes from word osteo- which mean bones and -porosis which means "pore". The term is used to describe a decrease in bone density which makes them seems like having multiple pores. It is found more in the old patient because the bone formation is decreased.