What canadian landform covers about half of the country? . a)the interior plains. b) the canadian shield. c) the st. lawrence lowlands. d) the yukon territory

The Canadian Shield is largest physiographic region of canada  which extends from Alberta eastward to Newfoundland and Labrador and northward to Greenland, the Northwest Territories and Nunavut.
The Shield covers  area of 4.8 million square kilometres.
It also covers almost  two thirds of Ontario

Coniferous forest ecosystem

The study of where things are