Author Question: Plate tectonics and evolution, which are held with a high degree of confidence because of rigorous ... (Read 93 times)

Kthamas · **on:** Aug 22, 2018

Plate tectonics and evolution, which are held with a high degree of confidence because of rigorous testing and verification, are examples of ________.

A) guesses
B) laws
C) observations
D) hypotheses
E) theories

Question 2

Satellites are used to map the ocean floor because ________.

A) they are affected by surface weather
B) they can't cover areas where ships have not produced surveys
C) they can only see small areas of the seafloor at one time
D) the shape of the ocean surface reflects large features on the seafloor
E) they are inexpensive to build and launch