1. NOAA: Who are they and what do they do? -NOAA is the National oceanic and atmospheric administration. They are creating a comprehensive map of the sea bed.
2. The Intensity of a sonar echo tells scientist what? -What the sea floor and water column look like, also differences and changes in each.
3. Why does an ROV assist scientist? - it allows scientist to better see the sea floor first hand, to better understand exactly what the characteristics are under the surface of the ocean.