Answer:
i think its chemical weathering
Explanation:
hehe
The question is asking to answer the following questions and base on my further research and investigation, I would say that answer would be the following:
#1 D. Oceanic crust is thinner and less dense than continental crust.
#2 B. where an oceanic plate is moving toward a continental plate
#3 A. The seafloor is spreading.<span>
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Fertilisation maybe...........