True or false: Researchers have found that visual decline in late adulthood is linked to cognitive decline and an increase in social contacts.

D. arid

Although there is no map included, Central Asia is an area where we can find an arid climate. Central Asia stretches from the Caspian sea to China, and from Afghanistan to Russia. This area includes the countries of Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan. The people of Central Asia have traditionally been nomadic, with trade being one of their main sources of livelihood.