Option 3, Muhammad's successor was elected by the clans.
A, 20.
The vigesimal numbering system, or base-20 numeral system, is based on the number twenty. Twenty individual numerals/digits are used, ten more than in the usual decimal system.
The correct answer to this question is: Malawi, Zimbabwe, and Mozambique.
Cyclone Idai landed in March of 2019 and killed over 1,000 people. It is the second deadliest Cyclone in the SW Indian Ocean.
