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.
Four states of matter are observable in everyday life: solid, liquid, gas, and plasma. Many other states are known, such as BoseâEinstein condensates and neutron-degenerate matter, but these only occur in extreme situations such as ultra cold or ultra dense matter.