A. Parabolic
B. Flat
C. Flat near the wall and parabolic in the middle
D. Parabolic near the wall and flat in the middle
Correct Answer: Parabolic ✔
Last Updated: March 10, 2019
A. Parabolic
B. Flat
C. Flat near the wall and parabolic in the middle
D. Parabolic near the wall and flat in the middle
Correct Answer: Parabolic ✔
Last Updated: March 10, 2019