Answer: B) Yes, especially if the people who are on a do dash not dash call registry have a trait that is not accurately represented by the remaining people in the sample
If the person conducting the survey wants a good random sample then they should take opinions from a broad audience, including people from different backgrounds, races, ages, cultures etc. In this case, the people that are not on the call registry most likely have a common trait that would explain why they're not in there (ie. they're too young to be eligible to be in the call registry, they are too old to be on the call registry, etc). Not calling them then would throw off the sample. Because of this, B is the correct answer.
Explanation:
The can find out by observing the child's behaviour.
I believe the answer is: economically privileged youth are more likely than their less privileged peers to define their activities as fun and not work.
In general, economically privileged youth experience less to no hardship compared to the less privileged youth. This make them much more likely tobe able to see various events in front of them as something fun and not work since they know that they always have some sort of safety net that guard them if they fail.
weather conditions, social pressure, economic mismanagement, and radical agricultural changes
The silk road stretched 4000 miles from China to the Mediterranean Sea and was linked to the Mediterranean countries by ports and ships. It included China, India, Persia and Arabia and allowed for two-way trade of such things as silk from China and woolen goods such as carpets, curtains, blankets and rugs came from the western countries along the route, for example.
