The anomalous expansion of water is an abnormal property of water whereby it expands instead of contracting when the temperature goes from 4oC to 0oC, and it becomes less dense.
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Three of the eight steps in the audience-centered model of presentation speaking are select and narrow topic, identify purpose and develop central idea.
A audience-centered presentation is not a one-way communication. Rather, audience-centered presenters view their audience as a group of individuals, each with their own perceptions and needs. The audience-centered presenter's goal is not to present as much information as possible about their topic.
Instead, the audience-centered presenter's goal is to engage and connect with the audience in two-way communication, trying to make a difference. Audience-centered speeches are therefore more effective than speaker and content-centered presentations.
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the last option!
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the answer is subtraction
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