When planning your oral presentation, what can you do to prepare for the presentation? a) practice reading your presentation from an index card. b) practice your presentation with your eyes closed. c) practice your presentation in front of friends or family. d) practice speaking clearly and directly to an audience of friends

D) practice speaking clearly and directly to an audience of friends

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8th Grade Science - 1.19 Quiz: Oral Presentation

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a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.