The imaginary line is the axis.
The two most obvious ones are on the far right, and near the far left. Oceanic lithosphere is descending into the earth's mantle at these places, and being destroyed. ... At convergent boundaries oceanic lithosphere is always destroyed by descending into a subduction zone
The answer is D! Hope that helped
<span>When new clay sediment is deposited on top of old beach material, it's known as.C. transgression.This is because the clay would have to come from sea inundating the beach ie rising and depositing the clay on the old beach. The sea rising could be from say tectonic movement or from glaciers melting but before glacial rebound.</span>
