Answer:
D) Swiftly flowing mountain rivers are dammed.
Explanation:
The electricity generated by the flowing of the water is classified as hydroelectricity. This form of electricity is a renewal form of energy. they do not harm the environment and pollutes it. In Europe, because of the production of hydroelectricity, there has been less amount of greenhouse gases disposed of in the atmosphere.
In a research study designed to test the effects of alcohol on sociability, neither the participants nor the investigator are aware of who receives alcohol and who does not. this is an example of: the double blind technique.
<h3>What is the double blind technique?</h3>
This is the term that is used in experiments to refer to the existing situation where the people carrying out the experiments and the ones that are participants do not know the particular person that is receiving a given treatment,
Hence we have to say that based on the fact that the participants and and the investigator do not know the groups that are taking the the alcohol and who does not, it is a double blind study.
Read more on double blind technique here: brainly.com/question/23389356
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B is the correct answer for your question.
Answer:
The station symoblizes a turning/transition point
Explanation: