Question

two dates in the year when the number of darkness is equal in both north and south poles

Answer 1

Answer:

$\huge\purple {\mathfrak{Bonjour Mate!}}$

(i) 21st March 23rd September.

This is because:-

(i) of the apparent movement of the sun within the tropics

(ii) of the revolution of the earth

(iii) the earth is tilted on its axis.