I think the correct answers are grammar, spelling, pronunciation and vocabulary. These things are the four characteristics of standard English. It refers to whatever form of the English language is accepted as a norm in an English-speaking country.
Answer:
1.They have made my life easier.
2.They make getting stuff done easier.
3.They make finding information easier.
4.They make passing/sharing information easier
(Can you give me Brainliest if it helps a bunch? Thanks!)