Answer:
Islam
Explanation:
The historial impact of Islam upon trade, particularly in West Africa, greatly increased the wealth of African people and helped form many great African empires.
It is difficult to say how accurate these devices are when used at home because most research on their effectiveness has been conducted in a laboratory setting.
<h3>What is a sentence?</h3>
A sentence can be defined as a group of words that is typically made up of a subject and predicate, which are used by a writer to convey a logical information to his or her audience (readers).
In this scenario, a sentence which best accomplishes this goal is re-writing the given sentence as "It is difficult to say how accurate these devices are when used at home because most research on their effectiveness has been conducted in a laboratory setting" because the important information are still present in the new sentence.
Read more on a sentence here: brainly.com/question/985037
Answer: Half of the same traits
Explanation
