I believe it is Wegener's theory did not explain how the continents could move.
I believe that D is the answer to your question, even though this is a complicated one.
I believe its A because a bonds with t g bonds with c and c bonds with g, translated to rna it's UCG.
For many of their illnesses scientist and doctors haven't treated them before so they don't know how to treat them or exactly if the animal can handle the treatment
Answer:
Animalia - multicellular, eukaryotic
Plantae - vacuolate eukaryotic cells, multicellular
Protista - unicellular and multicellular, eukaryotic
Fungi - decomposers, non-motile
Eubacteria - unicellular, prokaryotic
Archaebacteria - no peptidoglycan, glycoproteins and polysaccharides in cell walls.
Hope that helps. :)