Power Point Presentation: Effective Oral Communication
Power Point Presentation is a popular method combining verbal and non-verbal communication to engage attention. It is used in academic and non-academic settings, incorporating slides to display information effectively. This presentation tool is widely utilized in teaching, corporate firms, and government offices for various purposes, offering features like images, animations, and charts. Learn how to prepare and deliver a compelling presentation with the help of slides and proper oral communication skills."
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Presentation Transcript
Life Science Water s the Matter Measuring Nitrates Pre-Test
If a large amount of nitrates are present in a body of water, what color will the water usually be? A. Blue B. White C. Green D. Purple
What water quality factor is indirectly affected by having an excess of nitrates present in the water? A. Turbulence B. Temperature C. Bubbles D. Dissolved Oxygen
What human actions cause nitrates to get into ground water? A. Spreading too much commercial fertilizers on farmland B. Allowing septic tanks to overflow C. Allowing untreated water from a sewage treatment plant to enter a waterway D. All of the above
How do nitrates affect human health? A. They reduce the ability of red blood cells to carry oxygen B. They increase the amount of oxygen in blood C. They increase the rate of growth D. They decrease the rate of growth
Nitrates are used by which of the following? A. Plants B. People C. Fish D. All of the above
