Answer:
an increase in the cost of raw materials for that item
Explanation:
The scientific community and its research groups can also be considered as interest groups, as they will seek to organize themselves politically to defend the needs of their category. For example, a fertility research group can organize to require more resources for research in that area.
Answer:
Hausa and Yoruba People are among the major ethnic group in Nigeria.
Explanation:
Hausa and Yoruba people both have unique cultural heritage they they pass on from one generation to another as a way of preserving their cultural identity.
