All Question On One PagetruefalseThe speaker starts the talk with two examples of helices found in nature.2A helix is a three-dimensional object.1The main advantage of a spiral staircase is its strength.2DNA contains the genetic information for most, but not all, living things.2A mirror image of a helix can appear to change direction.1The screw is an example of a conical helix.1Helices are much more common in manufactured objects than in natural objects.2It is a mystery why there are so many helices in the world.2https://339efcb25eb75e967b0d-ff8eeadd950d51fd1fc939dca75b3973.ssl.cf1.rackcdn.com/assets_default.swf