What exports does the Canadian Shield provide

metals and minerals

Explanation:

The Canadian shield was the name of a region that is located in North-Eastern part of Canada. The water and soil quality in this region is generally unsuited for agriculture, but this area possess large quantity of metals and minerals

This made Canadian Shield became the major producer for mining related companies.  (Especially producers of  coppers, Gold, Nickels, Zinc, and Diamond.) This region alone accounted for more than 20% of Canadian's economy.

the declaration states, “we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty, and the pursuit of happiness….”

answer; scientific;