Shadah tain when you make your promise to become muslim
Salat when you pray
Zakat when you give charity
fasting of ramadan when you dont eat till sun down
hajj the pilgrimage to mecca
Jewish people were unperfect
Na/K concentration in and out of the cell at the homeostatic level. It does this by pumping sodium and potassium ions in and out when it's needed of it in order to maintain the concentration of both ions stable across time.
Answer:Francis Galton
Explanation:Hope this helps :) if doesn't please let me know in the comments below thanks :)!