Answer: The 16th-century Spanish conquistador and explorer Vasco Núñez de Balboa (1475-1519) helped establish the first stable settlement on the South American continent at Darién, on the coast of the Isthmus of Panama. In 1513, while leading an expedition in search of gold, he sighted the Pacific Ocean.
Explanation:
The passages mentioned are not listed in the question. I will give a clear distinction between arguments and explanations, the knowledge of this will help in providing answers to the question.
An explanation is an attempt to provide a cause or reason for a conclusion. It helps to provide reasons why a conclusion is made.
For example in the conclusion, "John will fail his exam", the writer can give a simple explanation to support his claim.
"The reason why i believe John will fail his exam is that he has not prepared well enough for it." is a simple explanation to support the above conclusion.
An argument is an attempt to provide an evidence in support of a conclusion.
This is done when the response of your audience is that of doubt an unbelief.
Place I think but I’m not sure
I would say it would be pale. Sometimes, pale could be very pretty and it's described as such. Other times, it could mean they look sickly.