All but 3 because it only contains 1 carbon atom
Because Yuki started off with a bowl of ice right. She sat in the room and watched the ice melt, the ice melts when the temperature is to hot then she heats up the water on a burner and it vaporizes when the water gets to hot.
density, it's a mass per unit volume
A watt IS by definition a J/s so and so an 18000 W station will use 18000 J/s so it is C
An artificial leaf could replicate photosynthesis but instead it would also be artificial which then produces hydrogen fuel that will be energy efficient and carbon neutral. hope this helps.
