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Mariana [72]
3 years ago
6

Which of the following is a physical change? A newspaper burns when placed in a fire. An iron chair rusts when left outside. A s

ample of water boils and releases gas. A plant changes carbon dioxide and water into sugar. Question 3(Multiple Choice Worth 2 points) Which of these statements best describes the relationship between elements, compounds, and pure substances? Pure substances can be divided into two groups: elements and compounds. Compounds can be divided into two groups: pure substances and elements. Elements and pure substances are two of many different types of compounds. Pure substances and compounds are two of many different types of elements.
Biology
2 answers:
kvasek [131]3 years ago
8 0

The answer is: Pure substances can be divided into two groups: elements and compounds.(For 2nd question)

allsm [11]3 years ago
7 0
A because a physical change , changes the appearance. the multiple choice question is A. 
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