ITS 100 POINTS
does sound travel fast, slow, or medium through wood
does sound travel fast, slow, or medium through plastic

Sound will travel at a slower rate in the denser object, and faster in a less dense object, and is faster in solid materials and slower in liquids or gases.

For wood I would say it passes fast because wood is pretty dense.

Same with plastic. Plastic is even more dense than wood so it will travel even faster, so fast.

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.

option c is the correct answer.