Atool you hold against your eye to make objects look bigger

When recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous years?

The concept of limited government holds that

Using mr smith and his id, identify two potential internal validity threats that might affect the a—b design. tell me how that threat might impact conclusions in the a—b design. note #1: you cannot use maturation (since i already did that one for note #2: there are some mr smith id threats that won’t have much impact in a single case design.