The phoenicians built ships, what physical feature allowed them to do so?

to say that impression management is collaborative means that

The great depression severely affected the following groups? select all that apply. politicians, bankers, farmers, business people, factory workers

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