Send a Google Drive attachment. 1  Open Gmail. 2  Click Compose. 3  Click Google Drive 4  . Select the files you want to attach.  At the bottom of the page, decide how you want to send the file: Drive link: This works for any files stored in Drive, including files created using Google Docs, Sheets, Slides, or 1  Forms. Click Insert.
A suggested explanation for an observable phenomenon or prediction of a possible causal correlation among multiple phenomena. In science, a theory is a well-substantiated, unifying explanation for a set of verified, proven hypotheses.
Table 5.1 contains both dictionary definitions and operational definitions of some common terms. Note that in each case, the operational definition refers to events that are observable or events that can. easily be made observable.