In which of the following world regions would a primate city hierarchy most likely be found?
a) africa
b) australia
c) russia
d) north america

You are a carpet installer and need to lay carpet for a room that measures 11 feet by 18 feet.how much carpet do you need to complete the job?

Free 99 pts answer before ! i'm just bored

Iron pyrite (fes2) is the form in which much of the sulfur exists in coal. in the combustion of coal, oxygen reacts with iron pyrite to produce iron(iii) oxide and sulfur dioxide, which is a major source of air pollution and a substantial contributor to acid rain. what mass of fe2o3 is produced from 84 l of oxygen at 3.41 atm and 148◦c with an excess of iron pyrite? answer in units of g.