NEET BIOLOGY

ECOLOGY

ENVIRONMENTAL ISSUES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Mexico City is ____
A
In the lowland valleys of the mountains
B
at a high elevation atop an extinct volcano, surrounded by mountains
C
on the coast of Mexico
D
At such an elevation it is actually above the Sierra Madre Mountains.
Explanation: 

Detailed explanation-1: -It has a minimum altitude of 2, 200 meters (7, 200 feet) above sea level and is surrounded by mountains and volcanoes that reach elevations of over 5, 000 meters (16, 000 feet). This valley has no natural drainage outlet for the waters that flow from the mountainsides, making the city vulnerable to flooding.

Detailed explanation-2: -Popocatepetl is the taller of two volcanoes some 70 km SE of Mexico City. Its neighbor Iztaccihuatl 17 km to the north is connected by a high ridge between the two volcanoes.

Detailed explanation-3: -It is cone shaped with a diameter of 25 km (16 mi) at its base, with a peak elevation of 5, 450 m (17, 880 ft). The crater is elliptical with an orientation northeast-southwest.

Detailed explanation-4: -The city and its metropolitan area extend well into the surrounding Neo-Volcánica slopes, including the western Monte Alto and Monte Bajo ranges.

There is 1 question to complete.