Brain teaser 8/15/2019 Brain teaser Posted: Aug 15, 2019 / 07:26 AM CDT / Updated: Aug 15, 2019 / 07:26 AM CDT WICHITA FALLS (KFDX/KJTL) — Before pencil erasers were invented, which of the following was commonly used to get rid of pencil markings? A. White breadB. Bird droppingsC. PumiceD. Heat & a washcloth