They're covered by sedimentary rock .
Hope this helps :) !!
Mountain Peaks and Plautaeu
Answer:
Greenhouse affect - atmosphere traps heat
Ice age - coldest phase of climate cycle
Sun's output - can vary
Greenhouse gases - atmosphere traps even more heat
You can easily google this.
Answer:
f. gneiss is foliated, whereas quartzite is unfoliated
Explanation:
The rock quartzite is a non foliated type of metamorphic rock. This kinds of rock has its formation caused by quartz sandstone getting metamorphic.
Metamorphic rock which are foliates such a s gneiss are formed due to heating in the earth which causes them to be soft even though they remain in the solid state. This occurs during regional metamorphism
