21 = veintiuno
22 = veintidós
23 = veintitrés
24 = veinticuatro
25 = veinticinco
26 = veintiséis
27 = veintisiete
28 = veintiocho
29 = veintinueve
30 = treinta
31 = treinta y uno
I believe the answer is: Usman and Fodio
Both these scholars wrote hundreds of books for African people regarding, government, culture, religion, and social science.
These knowledge has been used for the past Three centuries after their arrival, by people in western africa as a foundation to built their islamic states.
Answer:
Once the sun's energy reaches earth, it is intercepted first by the atmosphere. A small part of the sun's energy is directly absorbed, particularly by certain gases such as ozone and water vapor. Some of the sun's energy is reflected back to space by clouds and the earth's surface.
Answer: The passage above is an example of a:
Semantic Encoding.
Explanation: Semantic Encoding is a form of storing details or information unlike the conventional way. It is processed on how the context is meaningfully related to another information or context or stimuli.