How does Turner define the American character?

Avariable that is positioned between the independent variable and the dependent variable but does not interact with either to affect the relationship between them is called a variable. select one: a. moderating b. spurious c. mediating d. causal

Giving free brainliest + free points if answered correctly ! rural areas have of development. a. heavy signs b. no signs c. one type d. different types

How do astronomers measure the amount of dark matter in the universe