How does the practice of fractional reserve banking affect banks? O A. It gives banks the freedom to change interest rates on loans at any
time.
B. It prevents banks from profiting off loans they provide with
deposited funds.
C. It allows banks to keep only a small percentage of their deposits in
reserve.
D. It ensures that banks always have cash reserves equal to their
total deposits.

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