sedimentary rocks are made from fossils igneous is from lava
Restore damaged ecosystems by planting trees on land where forests have been cut down
The Irish immigrants who entered the United States from the sixteenth to twentieth centuries were changed by America, and also changed this nation. They and their descendants made incalculable contributions in politics, industry, organized labor, religion, literature, music, and art.
The two largest metropolitan areas in Canada are Toronto and Montreal. Toronto has the highest population density of 2.8 million people, followed by Montreal, which has the population density of 1.74 million people. The remaining cities of Canada have significantly lower population densities.
