Energy and matter cycle through a beach ecosystem on the Gulf of Mexico. Identify one kind of model you can use to show the path of energy and matter through this ecosystem. Describe one limitation and one benefit of using that kind of model to show those processes.

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.