A and B are two towers of equal height diametrically opposite on either side of the nadir point,at 3 km and 5 km distances. Which one of the following statements is correct?

• A. height displacement of a will be less than that of b
• B. height displacement of b will be less than that of a
• C. height displacement of a and b is equal
• D. height displacement of a and b will be towards each other