A teacher challenges students to study moon phases to determine if what they have learned from the textbook is accurate. How might a student investigate claims made in a textbook that moon phases occur in a 28-day cycle? a. observe the phase of the moon each night until a full moon can be seen.
b. compare the textbook phases to the actual moon phases seen in the night sky each night in 28 day period over a three-month time frame.
c. compare diagrams of moon phases from the textbook to diagrams of moon phases online
d. observe the moon phases are seen in the night sky as often as possible over a six month period

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.