The answer would be : D. Russian adaptation to extreme cold
If a steel is exposed to an extreme low temperature over prolonged period of time, the structural form of the steal could be damaged, which could lead to a destruction of a building's foundation. In order to prevent this, a country which extreme winter such as Russia developed a special steel that won't crack.
Gross domesticated product of GDP
Answer: Experimenter bias
Explanation:
The experimental bias is the term which refers to the experimental science phenomena where the final outcome of the experiment are biased towards the expected result.
It is also refers as research bias and due to the subjective influence the researcher affects the data and also the result. The final results of the experiment are based towards the expect outcome in terms of human experimenter.
According to the given question, Miriam is studying the various types of effects about the basic genres of the music and in her group she makes sure that the people are not liking the classical music.
Therefore, Experimenter bias is the correct answer.