Question 1 of 32 How do the polar easterlies and the jet stream work together to affect the
weather in the United States?
A. The push surface ocean water into the Great Lakes.
B. They bring cold, polar winds southward.
O O
O C. They bring warm winds to the equator.
D. They bring weather from the West coast to the East coast.
SUBMIT

B. they bring cold , polar winds to the equator

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

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