Mulch is generally used to a height of about ten centimeters.

VOA: special.2009.06.23

He wanted the eVolo skyscraper competition to be less about the height of the buildings, and more about supporting environmental and community responsibility.

VOA: special.2010.03.31

This led to its surpassing the height of the Sears Tower in Chicago by about ten meters.

VOA: special.2010.03.31