The abbreviation for mountains is "MTS" or "Mtns."
The correct abbreviation for "I have" is I've.
HQ is the correct abbreviation.
correct abbreviation for sounds
The correct abbreviation for the word Sunday is "Sun."
The abbreviation for Mile is "Mi"
The correct abbreviation for October is: Oct.
The correct abbreviation for liters is "L".
The correct abbreviation for court is "ct."
The correct abbreviation for ounces is "oz."
The correct abbreviation for Pronunciation is "pron."
The correct abbreviation for continued is "cont."