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: c. how humans adapt to, depend on, and modify their environment
Answer:
The opportunity cost in the given scenario are the three opportunities that Harry lost.
Explanation:
The opportunity cost is the preference the person had to sacrifice in order to gain other alternatives. It can also be called alternative cost.
In the given scenario, Harry thought of painting his house over the weekend. He also thought of going for fishing. His parents were also insisting him to visit them that weekend. After receiving call from his friend, Theo, he also had an alternative to attend his friend's birthday party.
Out of the four alternatives he had, Harry chose to visit his parents. So, the opportunity cost would be the other three alternatives he had to do at the weekend, i.e. painting his house, going for fishing and friend's birthday party.
Answer:
C
Explanation:
Women played critical roles in the American Revolution and subsequent War for Independence. These women, known as camp followers, often tended to the domestic side of army organization, washing, cooking, mending clothes, and providing medical help when necessary. Sometimes they were flung into the vortex of battle.
Answer:
Either by the congress when two-thirds of the majority vote in the House of Representatives and the Senate, <em>or</em> by a constitutional convention called by two thirds of the State legislatures.