We dont know without all the info
<h3><em>Quartzite is made of the mineral quartz – a hard resistant mineral. Additionally, when the parent material (quartz-rich sandstone) undergoes metamorphic processes of heat and pressure, the resulting rock quartzite is harder than the sandstone due to an increase in density.</em></h3><h3><em>1. Hope this helps, sorry if not tho</em></h3>
Answer: At the bottom if their is answer chocies then D
Explanation: Hope this helps ;)
A. 800 because it has to be an equal for acting against it to remain stationary.
