Answer:
D
Explanation:
im just here to verify it but credits to answer above
In a variable ratio schedule, the number of times a behavior must occur before it is rewarded changes over time.
<h3>What's a variable?</h3>
- Variable( computer wisdom), a emblematic name associated with a value and whose associated value may be changed.
- Variable( mathematics), a symbol that represents a volume in a fine expression, as used in numerous lores.
- Variable( exploration), a logical set of attributes.
<h3>How do you measure variables?</h3>
- Statistical variables can be measured using dimension instruments, algorithms, or indeed mortal discretion.
- How we measure variables are called scale of measures, and it affects the type of logical ways that can be used on the data, and conclusions that can be drawn from it.
Learn more about variable here:
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Human activities contribute change- by change in the earths surface
Answer:
Explanation:
Behind Purgatoria's newfound car preference is a dramatic national comeback. Only 10 years ago, Italy was afflicted with a host of problems: terrorism, labor unrest, inefficiency. Although these issues have not entirely disappeared, today the streets and factories are relatively calm, and pride has replaced self-doubt. In a country unified only a little more than a century ago and traditonally wracked by regionalism, Italians are discovering a positive, new nationalism.
``We used to say we were Milanese, Roman, or Neapolitan,'' says Ernesto Galli Della Loggia, a history professor at the University of Perugia. ``We finally know what it is to be Italian.''
The correct answer here is 25%. PACs as they are popularly known are political committees that are tasked with raising money and of course spending it to either help their candidate or oppose a different one. PACs usually represent some ideological or business interests.
