What does a mass spectrometer do? A-carries out a chemical reaction that changes color in the presence of the
measured substance
B-separates mixtures with solid supports and liquid carriers

C-uses antibodies to detect specific substances

D-fragments components and ionizes them

Match the item to the definition: indirect correlation, correlational research, correlational research, covary, pearson correlation coefficient, pearson correlation coefficient, direct correlation a. used to describe the relationship between two or more naturally occurring variables b. determines whether scores on the two variables covary c. whether two variables vary or change together d. denoted by the symbol "r" e. provides information about the sign (direction) and magnitude(strength) of the linear relationship. f. when the correlation is positiveg. when the correlation is negative