The endosymbiotic hypothesis concerns the origin of mitochondria and chloroplasts, two organelles contained within various eukaryotic cells. According to this hypothesis, these organelles originated as separate prokaryotic organisms that were taken inside a primordial eukaryotic cell.
Subduction i think,when they are pushed together one subducts forming a trench.im probably not right,sorry
Answer:
plants and trees are plentiful
D is the answer of transportation