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natulia [17]
3 years ago
12

Macy always thought there were only a few hair colors:blond,brown,and black. However,when she actually began looking around, she

saw varying shades of these hair colors. What is a possible reason for so many different hair colors
Chemistry
2 answers:
____ [38]3 years ago
7 0

Answer: The pigmentation of hairs is composed by different levels of eumelanin and pheomelanin. These pigments combined compose all the colours of hair. The more quantity of eumelanin the darker the hair is. Also, the level of the composition can vary over time, causing changes on the colour of the hair.  

Dafna1 [17]3 years ago
6 0

Answer: Pigment.

Explanation: Our hair color is determined by two types of pigment, Eumelanins, and Pheomelanins. Which together produces all the natural hair colors we see every day with other people.

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A chemical company produces ammonia using the following reaction:
katrin [286]

Answer:

\boxed{\text{ 86.00\,\%}}

Explanation:

\text{\% yield} = \dfrac{\text{actual yield}}{\text {theoretical yield}} \times\text{100 \%}

Data:

       Actual yield = 430.0 g

Theoretical yield = 500.0 g

Calculation:

\text{\% yield} = \dfrac{\text{430.0 g}}{\text {500.0 g}} \times\text{100 \%} = \boxed{\text{86.00 \%}}

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well I know that sand do disappear in water.And sand isnt the the right thing for gowing plants.And sand will hold water
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Explanation:

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4 years ago
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AlladinOne [14]

Answer:

Salt. Sugar.

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String won't change anything about the water, and sand.

3 0
3 years ago
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