What part of the essay do the following sentences most likely represent?

another similarity between the spring and fall seasons is the rapid change that is visible from one day to the next. just by looking out the window daily in the spring, you can observe the gradual process of the tree leaves opening. each morning will bring new growth and noticeable transformation. in the same way, if you keep an eye on the trees out your window in the fall, you'll notice the colors of the leaves changing from orange to red, as well as the ever-mounting pile of leaves on the ground.

a. support
b. introduction
c. thesis
d. conclusion

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.