Two regions are said to be ___________ if their union forms a connected set.
A. Adjacent
B. Disjoint
C. Closed
D. None of the Mentioned
Answer:A
Two regions are said to be ___________ if their union forms a connected set.
A. Adjacent B. Disjoint C. Closed D. None of the Mentioned
Explanation: The regions are said to be Adjacent to each other.