Economic refers to unlimited wants to but limited resources

Which perminant civil rights leader would have disagreed most with washington's approach to solving the problem of racial inequality in the south?

How do corporate finances, investor expectations and external forces influence stock prices and possibly pose a risk to investors

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