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vlabodo [156]
2 years ago
14

What is the melting point of a substance?

Biology
2 answers:
patriot [66]2 years ago
8 0

Answer:

D.) when its temperature changes from a solid to a liquid

Explanation:

At the melting point the solid and liquid phase exist in equilibrium.

vazorg [7]2 years ago
4 0
It’s d but I’m not sure
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Answer:

Smooth & yellow: 9

smooth & green: 3

wrinkled & yellow: 3

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Explanation:

Gene controlling seed color are yellow Vs green

Gene controlling seed texture are smooth Vs wrinkled

In F1 generation, A true breeding smooth green plant (SSyy) is crossed to a true breeding wrinkled yellow (ssYY)

Off spring in F1 generation are smooth yellow (SsYy)

This means smooth texture is dominant over wrinkled texture and yellow color is dominant over green  

in F2 generation, the cross is carried between SsYy

SY         Sy        sY          sy

SY SSYY SSYy SsYY SsYy

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sy SsYy Ssyy ssYy ssyy

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smooth & green: 3

wrinkled & yellow: 3

wrinkled & green: 1

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