Answer:
Random Sampling
Explanation:
According to my research on different research methodology, I can say that based on the information provided within the question Ariana is ensuring that her survey results are accurate by using Random Sampling. This is a survey method in which participants are chosen at random. This ensures that results are accurate because it gets rid of any researcher bias that may occur if the participants were specifically chosen.
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It has an economy based on the production of goods and services demanded by the global economy.
Hyper
Text
Transport
Protocol
Secure
It's the central nervous system
I hope this helps :) and I am sorry if it's wrong LOL