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Which is an example of a chemical change ? A.a teaspoon of salt dissolves

Which is an example of a chemical change ? A.a teaspoon of salt dissolves B.a candle burns C.a pan of water boils D.a burner gets red hot

2 months ago

Solution 1

Guest Guest #3391
2 months ago
It has to be a because, it dosnt take energy to dissolve the salt

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Which statement best describes the environmental factor that affected the skipper butterflies? A. the butterflies could change color B. The blue variation couldn’t reproduce, so the population became redder over time. C. When the birds moved into the field, they selected against the blue butterflies. D. The green butterflies has red offspring. Please don’t guess. I will give the brainliest to whoever deserves it.
Solution 1

When the birds moved into the field, they selected against the blue butterflies best describes the environmental factor that affected the skipper butterflies.

What do you mean by environmental factors?

Environmental factors, as related to genetics, refers to exposures to substances where we live or work, behaviors (such as smoking or poor diet) that can increase an individual's risk of disease or stressful situations.

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brainly.com/question/6810544

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Solution 2
The answer is C. When the birds moved into the field, the selected against the blue butterflies.
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