The fermentation method used by yeast is . In wine-making, what do grapes supply? The fizz in the wine is due to the presence of while the intoxicating effect comes from the . Please help!

Alcoholic fermentation

Carbon Dioxide

Ethanol (from plants)

answer:

i don't believe the ocean is purple, but it might once have been:

as for the sky, according to nasa:

"sunlight reaches earth's atmosphere and is scattered in all directions by all the gases and particles in the air. blue light is scattered more than the other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time."