The
would enable a woman to assess a man's level of commitment, detect the existence of prior commitments to other women or children, and simultaneously signal to the man her sexual fidelity.

Answer:
Case-Control Study
Explanation:
A case–control study is a type of observational study in which two existing groups differing in outcome are identified and compared on the basis of some supposed causal attribute
Answer: ordinal scale
Explanation:
There are four levels of measurement: Nominal, Ordinal, Interval, and Ratio. In ordinal measurement, the attributes can be rank-ordered, and attribute labels such as "Strongly Disagree" can be used, always keeping in mind that we can assure that “strongly agree” means the subject agrees more than those who “strongly disagree”, but we cannot quantify their satisfaction levels. The Likert scale is an ordinal scale because it doesn´t allow arithmetic operations.
Answer: No, they are not a singular volcano or made of any volcanic rock.
Explanation: They are made up of clastic wedge material and oceanic crust. There is no granite in the Olympic mountains.
Answer:
When you see road workers at a construction site, you should obey their instructions: <u> c. at all times</u>
Explanation:
When driving the road, the driver should pay special attention to all that is going on around him. Not only the traffic signs, but also the accidents that may occure and also if a road is being fixed.
When seing road workers at a construction site, they have authority to guide the people coming near the construcion for safty matters, this is why a driver should obey their instructions at all times.