As a bike tire inflated, the density of the tire? decreases ,stays the same , or increases

In 2009, the author pawel bozyk, described brazil as a newly industrialized country. while its economy had not yet reached that of highly developed countries, brazil has moved itself into being a significant member of the international economy. what economic model does brazil fit into, regarding its development path?

If the distance between two points on the ground is 10 miles and the distance between the same two points on a map is 4 inches, what is the map scale expressed as a ratio?

Which two nations are doing the most to combat their environmental issues?