А what is a highly tested, generally accepted principle
that explains a vast number of observations and experimental data.*

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project

gag reflex, poor dentition, gum retraction

have a good day

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.