Question 4 (1) - Height measurement Which of these statements is/are true? 1. On average, the NAP benchmarks are separat
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Question 4 (1) - Height measurement Which of these statements is/are true? 1. On average, the NAP benchmarks are separat
Question 4 (1) - Height measurement Which of these statements is/are true? 1. On average, the NAP benchmarks are separated by about 10 km. 2. The sound velocity in water, which is needed for the estimation of positions by echosounding, is dependent on the pressure, temperature and salinity of the water. a) Both 1 and 2 are true. b) Only 1 is true, 2 is wrong. c) Only 2 is true, 1 is wrong. d) Both 1 and 2 are wrong.