asymmetry of the oscillation causes the bed forms to shift laterally at non-negligible rates. I will unofficially term cross stratification of this kind climbing-bed-forms cross stratification. Bed forms are said to climb when there is overall aggradation of the sediment bed while the bed forms are moving; see a later section for details.) 502
Swahili is the most spoken language in Africa, with over 100 million speakers. It is a Bantu language believed to have originated from other languages, mainly Arabic, due to historical interactions between Arabs from the Middle East and East Africans.
There are 11 official languages recognized as official languages in South Africa. The population has a black majority, and the most frequently spoken languages amongst the black people are Zulu; Xhosa, and Setswana, although many of them speak Afrikaans or English.he population has a black majority, and the most frequently spoken languages amongst the b â¦ lack people are Zulu; Xhosa, and Setswana, although many of them speak Afrikaans or English. Amongst the white population Afrikaans, which evolved from Dutch, and English is the most widely spoken.