[3]. The eight types of livestock, four males and four females: a pair of sheep, a pair of goats, a pair of camels, and a pair of oxen.
[4]. The darkness of the belly, that of the womb and that of the placenta.
[5]. There is no what so called original sin or ancestral sin passed on to the children. Sins are forgiven by sincere repentance, asking forgiveness from Allāh as Adam and Eve did when they violated the Command given to them by Allāh and ate from the forbidden tree. Jesus did not die for the sins of anyone. He was neither killed nor crucified. He did not pay for the sins of any one. That is an innovated satanic doctrine to mislead the people from God's Path.