Pollinators and flowers have a close relationship. what type of relationship is this an example of?

This would be an example of a mutualistic relationship because both organisms benefit from the relationship.

A mutualistic relationship is described as when two organisms of different species work together and both benefit from the relationship.

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.