I think it would be b in my
Yeah the answer is A btw just took the test
Scientists can determine the age of the seafloor by watching the constant changing magnetic field of our planet. When it cools down, it records the magnetic field during its formation. The two parts of the oceanic plate are pulled apart, and magnetic stripes become older as they move away from the mid-ocean ridge. Hope that helps!
Answer:
The stalemate and high casualties caused by trench warfare on the western front
Explanation:
