Answer:
0
Explanation:
If an M:N relationship is mandatory on one side and optional on the other side, and if both relations resulting from the entities involved in the relationship each have 3 records, then the resulting bridge relation cannot have less than ____0____ records.
this is a problem under ER model
The Reorganization Act of that was passed on April 3, 1939 is an Act of the United Stat es Congress giving the U.S. President the power to employ more confidential staff and restructure within definite limits the executive branch for two years and will be subject to legislative veto. It was the first time the executive branch had undergone a major restructuring since 1787. This led to the creation of the Executive Office of the President through Reorganization Plan No. 1
The answer is air pollution
I guess the answer is letter c
