Plz help this is due today

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?