Summarize the basic conclusions of profitability as dictated by the von thunen model of agricultural land use.

Lots of points: economics: a benefit, such as health insurance, paid vacation, or a retirement plan, that is received by an employee in addition to regular pay is known as a. a fringe benefit b. a pension c. a grievance d. workers’ compensation

Which factor contributed to the rise of african empires such as ghana and mali ? a. their creation and involvement in trade networks b. they focused only on agricultural production. c. they didn’t engage in warfare with other nations d. their geographic location protected them from attacks.

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