Which heat zone do these places lie in?
a. $20 ^\circ N$
b. $36(½)^\circ S$
c. $45 ^\circ N$
d. $88 ^\circ S$
e. $12 ^\circ S$

Hint: Sun rays do not fall equally on all parts of the Earth. In some regions, sun rays could be directly falling whereas in others, slantly. These variations cause differences in climate patterns. Based on this, the Earth is divided into three broad zones - the torrid zone, the temperate zone and the frigid zone.

Complete answer:
The torrid zone receives the maximum sunlight and is located between the Tropic of Cancer and the Tropic of Capricorn. The temperate zones are located between the Tropic of Cancer and the Arctic circle, and, between the Tropic of Capricorn and the Antarctic circle. The frigid zones are located from the Arctic Circle to the N Pole, and from the Antarctic circle to the S Pole.
Having known the location of the Earth’s heat zones, we can infer that
a. $20 ^\circ N$ is situated in the Torrid zone,
b. $36(½)^\circ S$ is situated in the Temperate zone,
c. $45 ^\circ N$ is situated in the Temperate Zone,
d. $88 ^\circ S$ is in the Frigid zone, and,
e. $12 ^\circ S$ is in the Torrid zone.

Note: Note that any place through its coordinates can be situated in its heat zone if we remember the latitudes of the zones itself. The Torrid zone lies between $23.5 ^\circ N$ and $23.5 ^\circ S$. The Temperate zone lies from $23.5 ^\circ N$ to $66.5 ^\circ N$, and from $23.5 ^\circ S$ to $66.5 ^\circ S$. The Frigid zone lies from $66.5 ^\circ N$ to $0 ^\circ N$, and from $66.5 ^\circ S$ to $0 ^\circ S$.