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a. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

b.  Mercury, Venus, Earth, and Mars.

c. Neptune, Uranus, Saturn, and Jupiter.

Explanation:

a. Name the planets of the solar system in order :

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

b. Name the rocky planets.

Mercury, Venus, Earth, and Mars.

c. Name the gas giants.

Neptune, Uranus, Saturn, and Jupiter.

a mercury , venus , earth mars , jupiter, saturn , uranus , neptune

b mars, mercury ,venus ,earth

c jupiter, neptune, uranus, saturn

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.