By rename do you mean turn into an improper fraction?
if so, it is because without turning it into an improper fraction, you cannot subtract 3/4 from 1/4 because you would get a negative answer and that would be incorrect
Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors. Conditions like these are found deep within the Earth or where tectonic plates meet. In the rock cycle, there are three different types of rocks: sedimentary, igneous, and metamorphic. Sedimentary and igneous rocks began as something other than rock. Sedimentary rocks were originally sediments, which were compacted under high pressure. Hope this helps!
Answer:
Mesa<em> </em>~<em>broad</em><em> </em><em>mountain</em><em>,</em><em>flat</em><em> </em><em>top</em>
<em>Archipelago</em><em> </em>~<em>many</em><em> </em><em>islands</em>
Butte ~<em>steep</em><em> </em><em>sides</em><em>,</em><em> </em><em>flat</em><em> </em><em>top</em>
Delta<em> </em>~<em>triangular</em><em> </em><em>shape</em>
3 things include a earthquake, a volcano eruption or a earthquake and tsunami. Hope this helps.
