When it comes to ugly animals there is a fair share of animals that may make you cringe. Take the naked mole rat for example or do a quick search for the blobfish. They certainly don't have “cute”, ...

Two-dimensional (2D) shapes are completely flat. 2D shapes can be found printed in a book or on a website. 2D shapes have sides and corners. A rectangle has 4 straight sides and 4 corners. A square is ...