The urbanization and growth of the steel producing centers of the ruhr valley in germany and pittsburgh, pennsylvania, in the united states can best be explained by the site characteristics of

The ideas of hammond are most clearly an example of which of the following mid-19th century developments? (5 points) the increasingly liberal nature of slavery after the south enforced stronger slave codes the growing use by northern antislavery activists of moral arguments the increasing number of freed slaves in southern states as a result of gradual emancipation laws the growing tendency of southern slaveholders to use the paternal ethos to justify slavery

Lance is a member of the professional organization iceaa. he always attends its annual conferences because it provides a great opportunity for with members of the same profession. in addition to the conference, iceaa organizes for members who are seeking better employment opportunities.

Often, a goby fish and a shrimp will live together in a burrow the shrimp has dug in the sand. the shrimp is almost blind and therefore is unable to see predators approaching when he is outside of the burrow. when the shrimp is in danger, the goby fish touches the shrimp with its tail to warn him. then, both go back into their burrow for safety. which type of relationship does this represent? a. mutualism b. parasitism c. commensalism d. predator/prey