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.
Various examples of physical phenomena. Physics (from Ancient Greek: ÏÏÏÎ¹ÎºÎ® (á¼ÏÎ¹ÏÏÎ®Î¼Î·) phusiká¸ (epistá¸mÄ) knowledge of nature, from ÏÏÏÎ¹Ï phÃºsis nature) is the natural science that involves the study of matter and its motion and behavior through space and time, along with related concepts such as energy and force.