current systems that are used to examine below the earths crust on dry land do not work well underwater. however an innovative marine seismic system samples data in all directions, allowing it to capture returning wave fields in 3-D. the engineering of such a system to create enhanced images of structures beneath the sea floor are beneficial for all of the reasons except

Biology 1c cumulative exam i need awsners

What advantages does a pedigree have over a written passage?

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.