Read the paragraph from the section "Portable Habitat." *Divers' bodies need to adjust to the changing water pressures from the deep ocean to the sunny surface. Usually,
this means divers "hang out" at different stops on a "shot line" descending from the surface.*
Why did the author include this paragraph in the article?

a to illustrate the reason Lombardi invented a portable habitat
b to introduce the idea that diving can be a dangerous job
c to emphasize the effects of water pressure on divers
d to elaborate on activities divers enjoy doing while underwater

Read the sentence. the great wave was inexpensive to purchase, costing only about the same as a double of noodles. since lots of copies could be printed and still look good, it made loads of money. which best revises this sentence to create a more formal style and tone? *the great wave was as cheap as buying a double of noodles. since lots of copies could be made and still look great, people started making piles of money. *the great wave was inexpensive to purchase, costing about the same as a double of noodles. since mass quantities could be produced and still look exquisite, it became highly profitable to sell. *the great wave cost next to nothing, practically the same as a double of noodles. since mass quantities could be produced and still look awesome, it became highly profitable to sell. *the great wave was inexpensive to purchase, similar to buying a double of noodles. since lots of copies could be made that still looked amazing, those who sold it made tons of money.