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Q3: When volcanoes eject particles into the atmosphere,
Q8: In Canada, it is estimated that annually
Q28: Life in Earth's oceans originated _ years
Q36: Native species can attain undesirable numbers and
Q39: Declines in Atlantic cod have been blamed
Q43: How and why does the number of
Q48: As of June 2018, there were _
Q50: "Err on the side of caution" is
Q70: K-strategists produce many offspring early in their
Q75: Canada's third diamond mine is located in