SSC MTS EXAM

Detailed explanation-1: -This phenomenon affects the Atacama Desert on two fronts: the Andes Mountains and the Chilean Coast Range. The desert is primarily on the leeward side of each mountain chain, which is where the rain shadow is for mountain ranges, further decreasing the amount of rain the desert gets.

Detailed explanation-2: -The Andes consist of a vast series of extremely high plateaus surmounted by even higher peaks that form an unbroken rampart over a distance of some 5, 500 miles (8, 900 kilometres)-from the southern tip of South America to the continent’s northernmost coast on the Caribbean.