[Answer] 1. Because Socrates did not leave behind any writings, his students and contemporaries are the best source of information about him. Which of his students is viewed as the best source of information about Socrates?

Step 1 : Introduction to the question "1. Because Socrates did not leave behind any writings, his students and contemporaries are the best source of information about him. Which of his students is viewed as the best source of information about Socrates?"

...1. Zeno 2. Marcus Aurelius 3. Diogenes 4. Plato The works of Plato, Aristotle, Xenophon, and Aristophanes provide most of the information available about Socrates. It is important to remember that each of these people had their own ideas about the way Socrates should be portrayed; many say that Plato's accounts are more informative, but they may put Socrates on a high pedestal since he greatly admired his teacher. Xenophon was more of a historian, and perhaps more reliable in his accounts.

[Answer] In Greek mythology, who was known for having a “golden touch”?

Step 1 : Introduction to the question "In Greek mythology, who was known for having a “golden touch”?"

...“Having the Midas touch” usually means finding great success seemingly instantaneously. King Midas and his “golden touch” are from ancient Greek mythology; legend says that the god Dionysus owed King Midas a favor for taking care of one of his companions. When given one wish, King Midas decided that he would like everything he touched to be turned into gold. Unfortunately, Midas soon realized that he could not eat or drink because everything he held to his mouth turned to gold. To remove his special power, he had to wash in the Pactolus River. This real river is on the Aegean coast of Turkey and is rich in electrum deposits (an alloy of gold and silver).

[Answer] What is the symbol for gold on the periodic table of elements?

Step 1 : Introduction to the question "What is the symbol for gold on the periodic table of elements?"

...The letters “Au” might seem like a surprising symbol for gold, but they were chosen based on gold’s Old Latin name, “Aurum,” which means “shining dawn” or "glow of the sunrise." Gold was one of the first metals used by humans, and thanks to its resistance to corrosion, gold objects from the Egyptians, Minoans, Assyrians, and Etruscans are still found in good condition today.

[Answer] What was the earliest use of gold between 4000 and 3000 BCE?

Step 1 : Introduction to the question "What was the earliest use of gold between 4000 and 3000 BCE?"

...Humans have been working with gold for thousands of years. When ancient civilizations first found gold, they saw it as a beautiful, decorative commodity, similar to how it’s used today. The earliest evidence researchers have of man-made gold objects is of jewelry and other ornamental pieces. Some of the oldest artifacts have been found in locations of Eastern European tribes — the Sumer civilization of southern Iraq, and ancient Egypt. Gold coins weren’t around until 600 BCE, when Lydia, an Iron Age kingdom of western Asia Minor, began making them.

[Answer] Gold was deposited into Earth’s crust billions of years ago by what?

Step 1 : Introduction to the question "Gold was deposited into Earth’s crust billions of years ago by what?"

...During the Precambrian era (4.6 billion to 541 million years ago) asteroids from outer space inundated Earth, crashing into its surface. Upon impact, they deposited gold deep into Earth’s crust, where it remained until it was found by ancient civilizations. There is more gold deep inside Earth’s core (along with other precious metals) from when our planet was first formed, but it is unreachable.

[Answer] What place does a gold medal signify in competitions?

Step 1 : Introduction to the question "What place does a gold medal signify in competitions?"

...Gold, silver, and bronze medals are awarded to the first-, second-, and third-place finishers at various competitions, from athletics to academics. These medal rankings are commonly associated with the Olympics, which began handing out medals at the 1904 St. Louis Games.

[Answer] How many karats are in pure gold?

Step 1 : Introduction to the question "How many karats are in pure gold?"

...The amount of gold in jewelry is measured on the karat scale. For example, pure gold bars (99.95% gold) are 24-karat, while alloys (mixtures of minerals) with 50% gold are 12-karat. Most gold jewelry is 14- or 18-karat and is typically mixed with silver, nickel, copper, or zinc. The word “karat” comes from the carob seed that was used in ancient Asian bazaars to measure the weight of gold on a scale.