Which of the following is the most advanced technology used to collect sediment samples from the deep ocean?
A) Dredge
B) Gravity corer
C) Long line
D) Rotary corer
E) Seiche disk
Question 2
How many volcanic peaks are known to exist on the Pacific sea floor?
A) < 5,000
B) 5,000 to 10,000
C) 10,000 to 15,000
D) 15,000 to 20,000
E) > 20,000