Problem: Continental crust is too buoyant to be subducted, therefore over the history of Earth. Need Assignment Help? Group of answer choices the amount of continental crust is constant and the amount of oceanic crust is increasing. the amount of continental crust is constant and the amount of oceanic crust is decreasing. the amount of continental crust is increasing and the amount of oceanic crust is decreasing. the amount of continental crust is increasing and the amount of oceanic crust is increasing. the amount of continental crust is constant and the amount of oceanic crust is constant.