Refer the different appearances of the Moon, over a month across the sky and answer the questions that follow.
1. Which appearances shown in the above diagram are incorrect?
2. If young crescent appears at 14th Nov. 20XX, then when old crescent is expected to appear?
(a) 1-First quarter, Old crescent 2-5th Dec. 20XX
(b) 1-Young crescent, Last quarter 2-28th Nov. 20XX
(c) 1-Full Moon, New Moon 2-24th Nov. 20XX
(d) 1-Young crescent, Full Moon 2-1st Dec. 20XX