I think you are missing here" the past":
Those who forget about the past are doomed to repeat it.
This means that we have to study the past, the actions and consequences of these actions, and learn from them, and if we are not doing this, we can make mistakes that could otherwise be avoided. (Example: ignoring ethnic and religious tensions has led to wars in the past, but these wars could have been foreseen).<span />
When you think about it, the flow sewage is a form of pollution. Therefore the raw sewage would pollute their source of survival being the river which they drink, and bath from.
Around 30% of knowledge workers' time is spent on writing and reading emails.
Knowledge worker is a term for a person who uses and handles information on an everyday basis in his or her job. As the name itself says, they work with knowledge - professions which fall under this category are physicians, lawyers, academics, architects, engineers, etc.
Watson is to behaviorism as Rodgers is to psychology