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
<span>When new clay sediment is deposited on top of old beach material, it's known as.C. transgression.This is because the clay would have to come from sea inundating the beach ie rising and depositing the clay on the old beach. The sea rising could be from say tectonic movement or from glaciers melting but before glacial rebound.</span>
Most Europeans are employed in the mining industry.<span>
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The Arabian Peninsula known as Arabia is a peninsula located in Western Asia in the northeast of Africa on the Arabian plate. It is on the junction of Africa and Asia. It is east of Ethiopia and northern Somalia, south of Israel and Palestinian. It is known for it's physical features such as the plentiful precipitation, the Red sea, desert terrain, fertile farmland or soil, petroleum reserves and dry climate.
Our sun, is only a medium size star!
