A ratio compares the frequency of one value for a variable with another value for the variable. The first value identified in a ratio must be to the left of the colon (:) and the second value must be to the right of the colon (1st value : 2nd value).
The Canadian two-dollar coin, commonly called the toonie, is the most valuable of the frequently used Canadian coins. It was introduced on February 19, 1996, by Public Works minister Diane Marleau.
Canada was first discovered in prehistoric times by the ancestors of the First Nations. This land bridge occurred during the last Ice Age, when sea levels dropped several hundred feet, thereby exposing the sea bed of the Bering Strait, between Alaska and Russia.