Name two other methods through which the primary data can be collected apart from direct personal investigation.

(bro she is ancient)

j < 14

j is jakes age

since jake is younger it makes his age less than his sisters

(if you meant she is 14)

the answer is:

c. islam and christianity

explanation:

islam and christianity are widely practiced in africa. islam is practiced due to its spread from the middle east into africa, and christianity is practiced due to the colonization of africa by the british empire.