Concept:Concurrent powers are powers shared by both the federal and state governments in a federation.
Explanation:In the Nigerian federal system, powers are grouped into exclusive and concurrent lists.
The exclusive list contains powers reserved only for the federal government.
Currency and coinage, defense and national security, and foreign affairs are exclusive powers.
The concurrent list contains powers that both the federal and state governments can exercise.
Education and healthcare are placed on the concurrent legislative list.
This means both the federal government and state governments can make laws on education and healthcare.
Hence, among the options provided, only education and healthcare qualify as concurrent powers.
Answer:B. Education and Healthcare