Explanation:
In this study the independent variable was considered as the sleeping habits and the dependent variable was considered as the behavior of the child. It was seen that the children who had sleep disorders had behavioral issues. Your friend thinks that due to the fact that the children had sleeping disorders they had behavioral issue. This hypothesis could be wrong.
The sleep disorders could be a confounding variable. Even though it is true that children with sleep disorders have higher levels of behavioral issues other issues are not considered. Other factors should be considered and the actual independent variable should be found.
Answer:
D. The Ricardian model assumes labor is perfectly mobile
Explanation:
This model assumes that labor is perfectly mobile, tech is constant, and markets are perfectly competitive. It was developed by David Ricardo in his classical theory of comparative advantage which explains why countries engage in international trade even though their production may be more efficient than its trade partners. The comparative advantage of countries were explained and based on these assumptions.
Answer:
A
Explanation:
Normal, clean rain has a pH value of between 5.0 and 5.5, which is slightly acidic. However, when rain combines with sulfur dioxide or nitrogen oxides—produced from power plants and automobiles—the rain becomes much more acidic. ... A decrease in pH values from 5.0 to 4.0 means that the acidity is 10 times greater.
The laws are designed to prevent the businesses that engage in fraud or specified unfair practices from gaining an advantage over competitors. Consumer protection laws are a form of government regulation that aim to protect the rights of consumers.
Consumer protection is linked to the idea of consumer rights and to the formation of consumer organizations, which help consumers make better choices in the marketplace and get help with consumer complaints. Other organizations that promote consumer protection include government organizations and self-regulating business organizations such as consumer protection agencies and organizations, ombudsmen, the Federal Trade Commission in America and Better Business Bureaus in America and Canada, etc.
