Question

3. A place is 37 m above sea level and another is 35 m below sea level. What is the difference of level between the two places?​

Answer 1

Answer:

m above sea level=+37 m

m below sea level=-35 m

difference of level between the two places=+37 -(-35)

                                                                           =37 +35

                                                                          = 72⇒answer