text: which of the following statement is in correct? a. modern ocean science was established by the voyages of h.m.s. challenger. b. the ocean floor is composed of both continental and oceanin crust c. sonar tells us how deep the ocean cloor is at a given place d. a bathyscaph is a feature of the ocean floor the incorrect q? is a bathyscaph is a feature of the ocean floor   bathyscaph is a self-propelled deep-sea diving submersible,