The iPhone 6 is unexpectedly light. While the size of its screen is bigger than those of the iPhones that came before, it is thinner, and its smooth, rounded body is made of aluminum, stainless steel, and glass. Furthermore, its casing comes in a whitish silver, gold, or color the company calls "space gray", the color of the lead of a pencil, with darker gray accents.

a. Expository
b. Descriptive
c. Persuasive
d. Narrative

bonus question: what are logical connectors found in the paragraph?