You can easily add music to individual PowerPoint slides or to the whole presentation by adjusting its settings.
You can add music or other audio to Google Slides in a few quick steps and liven up any slideshow presentation.
From disorienting elephants and sea turtles to causing sleep disorders and hypertension in humans, these pervasive pollutants ...
New study links shipping noise pollution to higher mortality, lower birth rates for killer whales, but offers market solutions to address it.
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