What dangers and impacts on the marine ecosystem arise from harvesting fossil fuels such as oil and methane hydrates from the oceans? what is the overall impact of harvesting non-renewable resources such as these?

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

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.