Which of the following correctly describes the importance of demonstrations to scientific
investigation?
In a demonstration, the effect of one thing on another is measured
A demonstration shows how something works often including models
A demonstration is a process involving scientific investigation.
In a demonstration, empirical data is collected.

a free market economy requires less state intervention. concurrently, it often requires a degree of democratisation of its institutions which- to a certain extent- facilitates economic activity. at the same time, a free market economy appears to be reliant on democracy for its functioning.

joseph stalin's cult of personality became a prominent part of soviet culture in december 1929, after a lavish celebration for stalin's 50th birthday.[answer:

explanation: