Which statement describes a disadvantage of nonrenewable resources? A. It is hard to collect large quantities of them at a time.
B. They inconsistent or unreliable as an energy source.
C. They are expensive to collect and transform into energy.
D. It is difficult to change the habit of using the resource.
please im in a hurry

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