The voluntary linkage of computer networks around the world is called the

The voluntary linkage of computer networks around the world is called the internet which began to be used in the 1990s. It initially began being used in the 1960s by scientists with the aim of exchanging information about research. Between the year 1995 and late 2002, the number of those connected to the internet rose from 26 million to more than 600 million. Currently, internet has now become a way of life.

Hypothesis: volumes of both figures are equal.the volume of  figure 1 is: .the volume of figure 2 is: .since , you can conclude that and . so, .volumes of figures are equal only when an angle in the basis is right (then figures will be the same), in another cases volume of figure 1 is less than volume of figure 2.the hypothesis was not correct in all cases.

Ithink the answer is d but not sure. sorry.