Answer:
The first three limitations are sampling-related issues.
Limited Sample Size. Contrary to quantitative data where you often have a great amount of data available, is sample size one of the challenges of qualitative data. ...
Sampling Bias. Sampling bias definition by Wikipedia: ...
Self-Selection Bias.
I believe the correct answer is A. Setting
Past- The birds flew in the sky.
present- The birds fly in the sky.
future- The birds will fly high in the sky.
To explore the mortal truth of Greek myth.
