ask some one who knows
you could ask a classmate
ask your mom dad or who ever you live with
<em>Hope this helps</em>
<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>
Physical Weathering
This especially happens with granitic rocks as they were cooling, like at Yosemite National Park. Freeze-thaw: When water freezes, it expands. If moisture seeps into cracks before winter, it can then freeze, driving the rocks apart.
Private clans add a lot of other progress sharing features, so they are good for classrooms. They can also control membership more easily, since you can only join with the link, but all private clan members have to have CodeCombat subscriptions.
