Assignment Instructions : Answer question 1 using a video response while answers to other questions should be on your notebook. Question 1. what is the shape of the earth? 2. Discuss the size of the earth in relation to the equatorial circumference, diameter and polar diameter. 3. With the aid of diagrams, explain the following terms in relation to the shape of the earth. a) Sunrise and Sunset. b) Circumnavigation c) Ship's Visibility.