What is the largest area in Canada and the United States that is densely populated (over 250 people per square mile) ? What are four cities in that area

Why is toronto the most populated city in Canada?

Piece of land with water surrounding it on three sides

How did Claudius ptolemaeus account for the retrograde motion of the planets

Continental crust is generally thicker than oceanic crust. a. True b. False

How did the continents come to exist

Less developed nations are to extended families as more developed nations are to nuclear families. matrilineal families. families of procreation.

If star a has an apparent magnitude of - 6 and star b has an apparent magnitude of 5, which star is brighter in our sky?

What is one advantage of free trade?

Explain how the shading of the direct light of the sun causes a lunar eclipse.

Describe how modern science operates and distinguish it from philosophy, pseudoscience, and religion. In recognition of these distinctions, what individual (s) and methods mark the beginning of Astronomy as a science?