Answer:
The type of metal sheet used is your independent variable
True!! It always helps to know what you're doing before you do it!
After reading the excerpt represented above, I would say that the most appropriate word that coincides with tone of the text is <span>Demands. At first : there is a business term called false demands, which is commonly used in economics/international relationships. And if in actually brings the negative meaning it couldn't be Refusals, (obviously -statements also can't be used and the same with argument as it should be in another context).
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Answer:
A. connect with their own experiences
Explanation:
If you connect with your audience they will want to hear what you say and believe me i have given a few speeches in my life and the only way I could get them not to leave was by doing research with some of them to know what they have come across. And it was successful so I would choose A.
Hope this helps!!!