D or c because one of them was agriculture that would be c but they also did the other two known as d but swaying towards c
The sea level of mexico city is 7382.
<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>
