Poll Everywhere lets your audience respond using text messages (SMS), Twitter, or the web in real-time. The best part is you can embed live audience responses and live charts right inside your Microsoft PowerPoint presentation, free!

Cosmic rays, X-rays, ultraviolet rays, and radiation from radioactive substances may function as (1)

Poll responses are kept private

  • animal pigments
  • pollinating agents
  • plant auxins
  • mutagenic agents
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