Which statement best describes a benefit of conducting a comparative investigation over collecting data from the internet?

answer choices:

a) a comparative investigation can be repeated in a short time while collecting the continuous data from the internet takes longer.

b) conducting a comparative investigation is always less expensive than an investigation in which data is obtained from the internet.

c) conducting a comparative investigation is always less time consuming than obtaining data from the internet.

d) a comparative investigation can provide a wider range of data than can be obtained from the internet.