Answer:
Bread, Fuels, Wine
Explanation:
It helps bread rise. Fuel=new developments in biofuel. Wine, yeast is used to differentiate the grape juice from wine.
Answer; B
they're bones allow them to lift them up in the sky.
The answer is fixed interval
I hope that helped
Answer:
Global warming is the change in the climate of the earth causing it to heat up whereas the greenhouse effect is a naturally occurring phenomena, constantly occurring due to the atmosphere and sunlight.
I believe the answer is A.
I ruled out everything but C. and A. so it could be either.