Question

Harry Hess used SONAR to study the ocean floor. Which of the following was NOT one of the things he proved during his investigations?

A. seafloor rocks were volcanic
B. seafloor rocks were denser than continental rocks
C. seafloor rocks were all the same age
D. seafloor rocks varied in age

Answer 1

C

Step-by-step explanation:

Like continental rocks, you can find ones that were created a year ago and right next to it find one that was made 100 years ago. Not every rock is identical in age.