Question: Consider a forest with eight trees and each tree contains at least two nodes. What is the minimum number of undirected edges needed to make

Consider a forest with eight trees and each tree contains at least two nodes. What is the minimum number of undirected edges needed to make the forest one connected tree?
a. The minimum number of edges is 7
b. The minimum number of edges is 8
c. The minimum number of edges is 28
d. The minimum number of edges is 56

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