purifying drinking water
purifying dirty water
Africa
africa:)
true
Western USA, Australia, UK, Africa,
You can find them most often in the Sahel Desert in Africa.
Lesotho , Namibia , Swaziland and Zambia
You can find them most often in the Sahel Desert in Africa.
In many parts of Africa, yes it is a very big issue. There are regular droughts there, and this results in famine.
the most common challenges that people are facing now in Africa are drought and parasites
the longest drought ever was in the atacama desert of Chile. It lasted 400 years. 1571-1971
Calabash have been used as drinking vessels by the Zulu tribe in South Africa.