Decibel is a measurement of the amount of pollution?
true or false i put true

How was rockefeller able to build his monopoly across the oil industry? he found newer and cheaper ways to refine oil, increasing his profits. he confined his business to ohio so he could buy all the refineries there. he bought up oil refineries, cut costs, and reinvested his profits in other refineries. he began to sell kerosene as well as oil, expanding his market.

He scientific revolution encouraged scientists and philosophers to

What role did oregon play in the 1844 presidential election