Which statement best describes a chemical reaction?
A. In a chemical reaction, one or more sub...
Which statement best describes a chemical reaction?
A. In a chemical reaction, one or more substances called products are combined or broken down to form reactants.
B. In a chemical reaction, one or more substances called products are combined or broken down to form compounds.
C. In a chemical reaction, one or more substances called reactants are combined or broken down to form products.
D. In a chemical reaction, one or more substances called reactants are combined or broken down to form elements.
Answers: 3
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When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?
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As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.
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How many autosomes are in this human karyotype? how many sex chromosomes?
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