Both A and B.......................
Answer: Manipulation of the Independent Variable
Again, to manipulate an independent variable means to change its level systematically so that different groups of participants are exposed to different levels of that variable, or the same group of participants is exposed to different levels at different times.
Explanation: hopes this helps and if u need any more help just let me know and i will help u.
The insurance company may deny an insurance claim if they find out that the information is incorrect and it does not have all the details.
Answer:
I'm not sure about number 3 but I know that number 4 is a) why students are interested in the election.
Explanation: