Answer: e. A third variable problem.
Explanation:
A third variable influences both dependent and independent variable. The dependent and independent variable here are drug and homelessness but unemployment affects or influences drug and homelessness, it's seen as the third variable in this scenario.
Answer:
B. Ecosystem boundaries often (usually) match political boundaries
Explanation:
Environmental science is the science where natural sciences are used to study the environment and find solutions facing the environment. It also incorporates social sciences in order to understand how the environment and humans interact with one another.
A community of living organisms interacting with the non living elements of a given environment is known as an ecosystem.
The boundary between two adjacent habitats is known as an ecosystem boundary. Political boundaries are made by humans and are not made naturally.
Hence, ecosystem boundaries often (usually) match political boundaries is false.
Answer:
neither in the labor force nor unemployed.
Explanation:
Based on the information provided within the question it can be said that in this scenario the Bureau of Labor Statistics counts Christopher as neither in the labor force nor unemployed. This is because the labor force includes those that have a job or those that don't. Since Christopher does not have a job and is not looking for one then he is not part of the labor force.
Answer:
Correct answer is European diseases had killed much of the native workforce.
Explanation:
As we all know around 90 percent of Natives died because of the diseases and other problems that were brought to them by Europeans. That is why they could only turn themselves to slave trade. Slaves were usually imported from Africa.
Other answers are false, especially options one and three, which have no connection with historical events. When it comes to option 4 it was actually pretty often that Africans would sell slaves to Europeans.
