<span>More than 20 million. The true growth of cities in the United States along with nature of its democratic rule led to a massive surplus in immigration during this span of time. Many of these immigrants were European in nature. One such example to demonstrate the massive surplus would be the city of New York, which was predominately foreign based around the year 1900.</span>
Answer: chemical reaction
Explanation: It’s a equation
Sten to bad and voucher for the first time I was wondering if you have any questions please feel free to contact me at the end of the day of the day of the day of the day of the day of the
I am pretty sure your answer is B
Answer:
This is a blinded experiment.
Explanation:
In this type of study, none of the participants know about the variables that might affect the results, until the end. This is usually done to avoid a placebo effect. It is considered to be an important tool in several scientific areas, especially in medicine and psychology.
There is a type of study where not even the researchers know about the dependent variables. This is called a double-blind study.
