The answer is D Compress
I hope this helps
Answer:
Spyware
Spam is just unwanted soliciation, spoofing is making links appear as something else, pharming is creating a fake website for victims to use.
Producers must understand the marginal benefit of making an additional unit which shows the possible gain. Marginal benefit is used in business and economics as a measurement of the change in benefits over the change in quantity. Possible gain is one example of benefit. This measurement provides the relevant measurement of benefits at a specific level of production and consumption.
A list is an R-object that can have a wide range of different items inside of it, including vectors, functions, and even another list.
The head() function lets you display the first observations in a data frame. The method tail() prints the final observations in your data collection in a manner similar to that. Both head() and tail() print a top line called the 'header', which contains the names of the distinct variables in your data collection. The R language's transform() function is used to alter data. The first parameter is transformed into a data frame. A suitable variable name comprises of letters, numbers and the dot or underline characters. The variable name does not begin with a number but rather with a letter or a dot.
Learn more about variable here-
brainly.com/question/13544580
#SPJ4