Question

______consist of mailing list
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Answer 1

Answer:

A mailing list is a collection of names and addresses used by an individual or a organization to send material to multiple recipients. The term is often extended to include the people subscribed to such a list, so the group of subscribers is referred to as "the mailing list", or simply "the list".

Answer 2

Answer:

Data source consist of mailing list.

Explanation:

mark as brainlist