I believe this is asking what continents formed Pangea if that's correct then they're North and South American, Africa, and Europe.
Compressional or P (for primary)
, Transverse or S (for secondary)
, Love, and Rayleigh. Primary waves push and pull the ground in the direction the wave is traveling. Secondary waves travel in the same direction, but they shake the ground back and forth perpendicular to the direction the wave is traveling. Love waves move back and forth horizontally. Rayleigh waves cause both vertical and horizontal ground motion.
to get rid of all the excess salt taken in by drinking seawater, you have to urinate more water than you drank.
Demand curve is the ratio of demand (of whatever) to its price. It indicates the inverse relationship of what's demanded and the price
The following which would best categorize Canada's population is concentrated in the south. The three big cities are actually all within under a five-hour distance from the border of the United States (Montreal, Toronto and Vancouver). Cities in Canada are often concentrated in the southern part, because the further north you go, the colder it gets and the cold can often be quite brutal in Northern Canada.
