Question

It signals the occurrence of a scientific or investigative way of doing things.

a. subject
b. data
c. research
d. hypothesis​

Answer 1

${\underline{\tt{\color{indigo}{c) \: research}}}}$

• Research signals the occurrence of a scientific or investigative way of doing things.

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${\colorbox{aqua}{\tt{I\: HOPE\: IT \: HELPS \: YOU \: =)}}}$