Answer:
sureeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Explanation:
If unemployment is rising rapidly, the federal reserve most likely :
Buy securities in open market operations
This way, the companies will have enough money to hire more people
hope this helps
Jet stream and cold front of course
Answer:
D. Americans
Explanation:
The antecedent is a noun that replaces the subject, the thing doing the action.
In the sentence instead of saying americans again it says their.
In assessing the internal validity of an intervention, we try to determine if certain changes cause certain outcomes. It is relevant in studies that try to establish casual relationship. While in observational or descriptive studies, it is not that relevant. It is also possible to have internal validity in a study and not have construct validity. Example, imagine a study where you are looking at the effects of a new computerized tutoring program on math performance in first grade students.
