I believe the answer is: <span>The United States is a nation of immigrants.
This divide the main opinion regarding this matter into two main point of views.
On one side, they believe that immigration to united states should be left open since it's the foundation in which the economy of this country was built.
On the other side, they believe that immigration should be restricted since it took away a lot of job opportunities for poor people.</span>
A survey would be reliable if it had the same results, because then it would have been proven time and time again that it is credible. It is valid when it measures to what it intends to measure, because if it didn't, how would it be valid? In order for it to be valid, it has to make sense and measure what it intends to measure. The answer is D: reliable; valid.
I Believe the answer is: Serial position effect
Serial position effect refers to a tendency among people to held the first and lest object of memory in higher regards compared to the one that placed in the middle. This happen because most people use the first and last objects in the list to mark and separate one set of memory with another.<span />
Answer: Local building codes
Explanation:
Local building codes are the regulations that is required to be maintained for construction of any building according to local level by public. This construction standards are followed in the process of repairing, reconstruction, renovation or building of structure.
It helps in maintaining safety and welfare of the people so that they don't have to face any harm of accident caused due to construction site.It can be implemented through government authority .