Compare and contrast the physical geography of northern and southern Europe, focusing on the climate and land forms of the two regions?

By the triangle inequality theorem, if two sides of a triangle have lengths of 3 and 7, what are all the possible lengths of the third side? a) 3 < x < 8 b) 3 < x < 7 c) 4 < x < 10 d) 5 < x < 7

How do convection currents form underwater mountains?

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.