The root word meter means "to measure." Based on the meaning of meter, what is a barometer? A. a jar that holds a large amount of water
B. a place where ballerinas practice dancing
C. an instrument used to measure pressure in the atmosphere
D. a road that joins two cities that are very far apart from each other

C: An instrument used to measure pressure in the atmosphere

Explanation:

Meter is a type of measurement, and the only other explanation related to measurement is C.

its C

Explanation:

nutrients plays an impotent role in providing energy and stamina and power to our body.

carbohydrate

provide instant energy.( less energy )

fats

provide stored energy. ( very highe)

proteins

body building food.

vitamins

provide immunity to the body .

salads or fibre

clean digestive track.

hope it u buddy

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answer: how the techniques the author's use accomplish their purposes