A(n) is a variable that affects both variables of interest and may falsely give the impression of a cause-and-effect relationship

confounding variable
control variable
dependent variable
independent variable

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ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called