phytoremediation. The use of trees to take up chemicals, binding some of the material in an inert form with the tree, and converting some of it to other substances, possibly even breaking it down into the normal end product of a tree's chemical processes.pinnate.hytoremediation. The use of trees to take up chemicals, binding some of the material in an inert form with the tree, and converting some of it to other substances, possibly even breaking it down into the normal end product of a tree's chemical processes.
Electronic signatures, or e-signatures, refer broadly to any electronic process that indicates acceptance of an agreement or a record. The term digital signature is frequently used to refer to one specific type of electronic signature. 1  Typical e-signature solutions use common electronic authentication methods to verify signer identity, such as email, corporate IDs, or a phone PIN. 2  Digital signatures use a specific type of electronic signature.
Excel 2013 enables you to add digital signatures to the workbook files that you send out for review. 1Inspect the worksheet data, save all final changes in the workbook file, and then position the cell pointer in a blank cell in the vicinity where you want the signature line graphic object to appear.