Role-play
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Expansion bolt method
Participant observation
creating fear, anger, or joy in the audience.
Three organizations that utilize volunteers are Habitat for Humanity, the American Red Cross, and the World Wildlife Fund (WWF). Habitat for Humanity engages volunteers to help build affordable housing for families in need. The American Red Cross relies on volunteers for disaster response, blood donation drives, and community health services. WWF engages volunteers in conservation efforts, including wildlife monitoring and habitat restoration projects.
A star-wired bus is a hybrid topology (more than 1 type of topology). There is no particular access method that requires or relies on that type of hybrid.
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Technological method refers to a scientific method which relies on some form of technology. Most solutions are provided through technological methods in almost every industry in the world.
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Yes - fractional distillation is a physical method. It relies on differences in the physical properties of the components being distilled and left behind. In particular, it relies on the differeces in vapor pressures of the different components - or the fugacities if you want to get more involved in the actual thermodynamics.
Thousands of questions are posted on WikiAnswers every day. As WikiAnswers relies mainly on volunteers to answer questions, it is not always possible for every question to be answered.
The survey method of research is sometimes called a census survey. It relies on people responses to questions either with or without explanation.