10.When the back leg is in tendu back and the knees touch this is called , this is usually done before going across the floor. ( dance)

Opposition of two melodic ideas is the  right answer 

The answer would be online media like a social media. it does refer to forms of different media content created publicly by the end users since 2005 and would cover how people use social media.hope this would be of .

Its not a juh took the test it probably c tbh