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ryzh [129]
3 years ago
8

Which statement best describes chemical properties of matter?

Biology
2 answers:
Free_Kalibri [48]3 years ago
8 0

The answer is A. Chemical properties, such as density, must be observed when a substance is in its natural state at room temperature and normal atmospheric pressure.

motikmotik3 years ago
4 0
<span>Chemical properties, such as density, must be observed when a substance is in its natural state at room temperature and normal atmospheric pressure.</span>
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If a person consumed a diet containing 2500 kcal, of which 35% came from protein, approximately how many grams of protein would
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Answer:

218.75 grams of protein.

Explanation:

If 2500 protein is consumed and its 35% energy is provided by protein then:

2500÷35×100 =875 kcal would be provided by protein.

As one gram of protein provide 4 kcal of energy:

875÷4 = 218.75 grams of potein would be consumed.

<em>Remeber the calories and kcal for food is same.</em>

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Which of the following statements is accurate?
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Answer: c. the wavelength of both transverse and longitudinal waves is measured parallel to the direction of the travel of the wave.

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From the statement given, the option that is accurate is that the wavelength of both transverse and longitudinal waves is measured parallel to the direction of the travel of the wave.

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