What is the "Mighty Mississippi"? A. a cluster of five huge lakes located in the American Midwest and Central Canada

B. one of the longest rivers in North America

C. a river that begins where the Allegheny and Monongahela rivers combine in Western Pennsylvania

D. carries the water eastward for 750 miles

Acanyon on the ocean floor at which the crust bends downward is called a(n)

The hypothetical island country of gilder lies in the mediterranean sea off the coast of france. demographers have studied gilder for the past 50 years. at the beginning of the study, gilder had a population of 20 million. the demographers have measured birth and death numbers, as well as immigration and emigration numbers, as shown in the data table. from the data, calculate the population of gilder for each 10-year period by filling in the population (no) and population (nt) columns in the data table. use this formula to do your calculations: population size: nt = no + (b + i) – (d + e)initial population = 20,000,000

Avast plain of rolling hills are actually folds of monoclines domes and basins anticlines and synclines horsts and grabens