Even supposing that volcanic eruptions, extrusions of igneous rock, and upheaved mountain-chains, could be otherwise satisfactorily accounted for, it would be impossible otherwise to account for those wide-spread elevations and depressions whence continents and oceans result.
(volcanic eruptions, extrusions of igneous rock, and upheaved mountain-chains; result; ) Context(volcanic eruptions , extrusions of igneous rock , and upheaved mountain-chains result,List([20, 275))):(it; would be; impossible otherwise to account for those wide-spread elevations and depressions whence continents and oceans)
volcanic eruptions , extrusions of igneous rock , and upheaved mountain-chains result,List([20, 275))
volcanic eruptions, extrusions of igneous rock, and upheaved mountain-chains it
result would be
impossible otherwise to account for those wide-spread elevations and depressions whence continents and oceans