Permian-Triassic extinction
Correct answer choice is :
<h2>B) A metamorphic rock.</h2><h2 /><h3>Explanation:</h3><h3 />
A metamorphic rock is a consequence of a conversion of a pre-existing rock. The primary rock is reduced to very high heat and pressure, which produce distinct physical and chemical changes. Samples of these rock types comprise marble, slate, gneiss, schist.
Urbanization became famous during industry revolution. There were factories being built and also there were more agricultural workers attracted to the work available then in the cities and also there were new immigrants that increases the population of the cities.
Answer:
True
In a free market, competition determines price, and so companies will compete with one another to offer the lowest prices.