Why so Few Tree Species in Quebec?

The total forested area on Earth is 4.06 billion hectares. 90 million of those hectares, of which 92% are publicly owned, are in a province of Canada called Quebec. It's a vast area of trees, twice the total area that's within Sweden's borders. 1 out of every 45 hectares of the world's forests are in... Continue Reading →

Just What is a Chemical Change?

If a teacher reviews chemical versus physical changes in high school or even in a freshman course, the chances that he'll come across misconceptions regarding the topic are as good as those of seeing autumn colors in Quebec. This is normal because classifying change is a tricky concept given that students barely know the subject. In order to make sense of the... Continue Reading →

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