A. sides towards the centre
B. centre towards the sides
C. lower edge towards the upper edge
D. upper edge towards the lower edge
Correct Answer: lower edge towards the upper edge ✔
Last Updated: January 12, 2019
A. sides towards the centre
B. centre towards the sides
C. lower edge towards the upper edge
D. upper edge towards the lower edge
Correct Answer: lower edge towards the upper edge ✔
Last Updated: January 12, 2019