For assessing the study's adequacy, the kind of site selected is as important as the number of sites selected.
To assess a study's adequacy you have to look at various forms of data.
You don't need information to assess a site.
There are many people in this picture.
A person on his skateboard.
Two dogs are playing with a brown walking cane.
Albanian Kosovars said the territory was now a republic.
A group of girls is playing with barbie dolls
The dogs are playful.