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.
Rabbits were introduced to Australia by the First Fleet in 1788. They were bred as food animals, probably in cages. In the first decades, they do not appear to have been numerous, judging from their absence from archaeological collections of early colonial food remains.