This is still true because there are still manufacturing companies out there that are not really following protocols and procedures that are geared towards a green environment. The sulfate concentrations in lakes show little changes because contaminants are still present within the atmosphere, hydrosphere, and troposphere of the Earth. It would take a long time before such lakes will be rejuvenated into their original state.
Brutus, in his guilt, is imagining Caesar’s ghost. When one is struck with guilt, they may have hallucinations due to grief and traumatic events occurring.

A state government increasing tax rates. This is an example of economic policy.
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I believe the answer is: Power
In the past, this power is mostly derived from nobility line, but In our current society, Power usually derived primarily from economic power.
For example, someone in company's Upper management position tend to always required to maintain their persona in order to keep a certain amount of respect/positive perception from both the workers and the public.
Systematic Observation is a method used to understand how a particular activity or task works. The researcher observes the stages of a process, the tools used, the difficulties that appear, the conversations and the results of the work.
From this method the conclusion is a consequence of the whole process so it is acquired, the whole process of analysis will lead to the conclusion.