Why are the United States and Canada leading food producers?

How much of of south america is affected by the Andes Mountains

How many planet we have?!

Why are astronauts (and other objects) weightless inside the International Space Station as it orbits Earth?

Geography what land form is created when glaciers erode backwards into the mountainside and form a shape like a shallow bowl?

What is the estimated percent of the population of Ireland?

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?

What two tectonic plates caused the Himalayan mountains

The longest mountain range in North Africa is what?

Chemical weathering is noted by which of the following

What factor drove Great Britain to divide Ireland into two states in 1921?