The Zhou Dynasty declined due to a period of fighting in China
the Mandate of Heaven
a drought
geographical barriers

According to the aztec history, how did the aztecs know where to build their new city of tenochtitlan? why was this a good location?

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

The supremacy clause of the constitution forbids: