each of the following words find another word or phrase which mean the same and which can replace it as it is used in the passage in variable​

Lauses unnecessary to the meanings of the words modified demonstrative 2. clauses necessary to the meanings of the words modified relative 3. words for which pronouns stand intensive 4. a pronoun ending in -self and referring to the previously used noun or pronoun nonrestrictive clauses 5. a pronoun ending in -self and used for emphasis restrictive clauses 6. pronouns that ask questions indefinite pronouns 7. pronouns that point out to whom or to what the speaker is referring reflexive 8. everyone, nobody, and something are examples antecedents 9. pronouns introducing adjective or noun clauses interrogative 10. i, you, him, mine, and their are examples personal pronouns

Eating while you drive a. increases your risk of being involved in a collision b. is only risky with heavily packaged foods c. should only be done with food that can be handled easily

How does the author support the claim that ordinary and digital mail are very different?