Answer:
Chemical properties are tested on not because of their color or their appearance but how they will react to certain tests. Such as; is it flammable? Could it be toxic? Physical properties are tested on and observed because of the texture, the color, smell and etc.
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A scientific question is a question that is based on observations and that is testableThe scientist asks a new question about the impact of climate change on the species because the results of the investigation led to new scientific questions. Correct answer: C
Execration in man
transport and gutation in plant