In recent years, both Hollywood, and documentary channels, have produced films/videos highlighting the imminent dangers of a supervolcano eruption. What do you think of this, and why the sudden rise in focus on supervolcanoes?

In a repredentive democracy: a.) people come together in large meetings to vote on public policy b.) the people govern themselves c.) political power is held by a small group of people d.) people elect officials to run the government for them

What are canada’s major boundaries?

Tides are caused by a differences in the gravitational force of the sun at different points on earth. differences in the gravitational force of the moon at different points on earth differences in earth’s gravitational field strength at different points on earth’s surfac fluctuations in the gravitational attraction between earth and the moon.