Given the question: Q: Besides depth soundings, what else are bathymetric maps made of? Read this paragraph and choose the correct option from the provided answers: Bathymetric maps are made from depth soundings or sonar data. They help oceanographers understand the shape of bottoms of lakes, bays, and the ocean. This information also helps boaters navigate safely. Choices: - intensity data - solar data - density measures - sonar data A:
The answer is:
sonar data