K means clustering can be used to perform hiearchal clustering as it requires k (number of clusters) as an input parameter True or False? Why?​

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health? a. air quality data gathered by new instruments can be used to reduce exposure to pollutants. b. new technologies enable natural and human-made pollution sources to be located and monitored. c. air quality data gathered by new instruments can be used to predict trends in pollution over time. d. new technologies allow governments to make informed decisions about the regulation of pollution. (choose more than one)

Three out of five seniors remain undecided about a college major at the end of their senior year.

Other - a written response, no less than arial 12-point font, to the following: of the following, which would you consider is most important to customer service goals? choose one and explain why. (1) accuracy (2) punctuality and attendance (3) courtesy (4) productivity (5) organization