Someone help me with this question please

__ _ _ _ _ is the process of removing earth materials from their original sites through weathering and transport and depositing the in another location. a. erosion b. sedimentation c. lithification d. dissolution

Subduction zones occur on earth where dense oceanic crust dives under more buoyant continental crust. these boundaries are characterized by a deep ocean trench next to a high continental mountain range, large numbers of earthquakes and volcanoes. all of this is further evidence for the a) big bang theory b) origin of the species eliminate c theory of plate tectonics d theory of natural selection 4 sedimentary rocks found high in the himalayen mountain

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division