The causes of the final downfall of Kush are c. mysterious.
Explanation:
Kush was an ancient kingdom that was a great dominion in the region of Upper Ethiopia and it was trading across its borders into a lot of Africa when it fell into decline and became a ruin.
It is not entirely known what happened to it and the paragraph given here gives the picture of the civilization as it was in its end.
It was unsure of its place and was to be invaded but it still was found ruined without any war being waged so it had to be abandoned. But there is not reason why that happened that is known.
B is the correct answer to your question
Answer:
mutations
Explanation:
Mutations are referred to as the alternation that occurs in genetic materials. it is normal during the process known as mitosis and meiosis.
During mitosis, a mutation occurs in somatic cells during the formation of gametes. Mutations are only the cause of variability in genes of the population. The three main types of mutations that occur are deletions, insertion and base substitutions.
