Answer:
Convenience sampling
Explanation:
In convenience sampling, the samples for the research is drawn from the population that is very easily accessible by the researchers rather than using a specific criteria.
From the description above we can see that the internet site use only its members as the samples. Since the data of the site's members is easily accessible for the site, we can consider it as convenience sampling.
Answer:
Birds’ feathers are designed to be light but very strong, flexible but very tough. Although it looks like feathers grow all over a bird, they actually grow in specific areas called feather tracks. In between the feather tracks are down feathers. This keeps the body weight down.
Feathers are made of a tough and flexible material called keratin. The spine down the middle, called the shaft, is hollow. The vanes are on the two halves of the feather. They are made of thousands of branches called barbs. Because there are many spaces between these barbs, a feather has as much air as matter.
Explanation:
<span>When
it comes to relationships, we expect to share thoughts, feelings, and
ideas in a mutual exchange called reciprocity.
</span>If
one partner in the relationship believes that they are and must be
superior or in control then r<span>eciprocity will be difficult or impossible to develop and maintain.
</span>
<span>Relationships with reciprocity are characterized with cooperation, understanding and ability to embrace interdependence.</span>