What is a symbol?
a specific icon used to indicate a feature such as rocks
a specific icon used to indicate a feature such as letters
a table defining the colors, letters, and keys such as rocks
a table defining the colors, letters, and keys such as letters

The person above me is wrong I just took the test and got an 80 on it because someone put the wrong answer.The correct answer is a specific icon used to indicate a feature such as letter, Also known as letter B.

20: 5

explanation:

about 20% of the world's population lives in   southwest asia, but on less than 5% of the world's   land area.

b. antarctica

explanation:

about 90% of the world's ice can be found on antarctica.