Which statement describes an element? check all that apply.
an element is a pure substa...
Which statement describes an element? check all that apply.
an element is a pure substance that cannot be broken down into a simpler form.
an element is made of two or more atoms that are chemically combined.
all elements are listed on the periodic table of elements.
an element symbol begins with a capital letter; if there is a second or even third letter, it is a lowercase letter.
Answers: 2
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Which of the following systems in absorbing oxygen and releases carbon dioxide
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Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight
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