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Setler79 [48]
3 years ago
9

If a substance undergoes a phase change, it has

Biology
1 answer:
Y_Kistochka [10]3 years ago
4 0
Phase change is the change in state. i.e. water to steam or ice to water
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The Lincoln family has 3 children, 1 girl and 2 boys. What is the probability that their 4th child will be a boy?
goldfiish [28.3K]

Answer:

1/2

Explanation:

You have a 1/2 chance of having a boy and a 1/2 chance of having a girl.

Unless the question specifies whether or not there is a mutation present with the male parent, it is safe to assume there is a 50/50 shot of having a boy or girl.

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OLEGan [10]

Answer:

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Biuret is a blue color reagent that changes its color to pink/purple whenever it detects protein in a sample. Water don't contain proteins so it should not show pink/purple color instead it should maintain the blue color. Food items generally contain proteins so it show pink/purple color but it showed blue color.

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