Question:
Which one among the following elements is known to be discovered the earliest?
Which one among the following elements is known to be discovered the earliest?
Options:
- a) Copper
- b) Gold
- c) Oxygen
- d) Uranium
- a) Copper
- b) Gold
- c) Oxygen
- d) Uranium
correct answer : a)
Explanation:
Copper was discovered earliest among the given options. Its use dates back to around 9000 BCE.
Copper was discovered earliest among the given options. Its use dates back to around 9000 BCE.