Oil and silk because the Africans would make dresses out of the silk
Answer: The most logical initial action is to " Check the result obtained with a leaner setting of the mixture". Option A is most correct.
Explanation: in a carburetor engines, roughness of the engine is always caused by the mixture of air and fuel differences in the cylinders. When this is noticed during elevation. The first thing a pilot need to do first is to check the mixture of air and gas applied to the leaning settings. Then enrich the mixture of air and fuel gently, this is done by reducing the density of air, until the engine start running smoothly.
If the mixture of air and fuel is over leaned the RPM will begin to drop, which will lead to roughness in the engine
Answer:
a. surveys
Explanation:
Survey research is conducted by distributing questionnaires to a large population and then analyzing the responses of the participants with a the help of a computer based statistical software. With the advent of technology, often these questionnaires are distributed through internet and email and therefore the process becomes very simple for the researchers. Here, the example of psychologists is give who can study many thousands of people at a time through survey research and surely this is one advantage of surveys.
Answer:
Appian way was the first and famous road from Rome to southeastern Italy
