Agree or disagree- radio waves travel in the mesosphere?

What is a common factor all nonprofit businesses share? they pay no income tax.they have no capital.they are national in scope.they perform charitable acts.

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

In which country is a system of unlimited government practiced? a) sweden b) north korea c) united states d) united kingdom