The most common and most likely answer to this crossword clue is the 7 letter word SEAWEED which also is the latest solution we found used in New York Times in 2020.
Major source of oxygen in the earth's atmosphere crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| SEAWEED | 100 % | 7 |
Words with a meaning similar to the clue: Major source of oxygen in the earth's atmosphere
These words may or may not be a possible solution to this crosswords clue.- air
- ozone
- flight
- ether
- aura
- chokedamp
- glucose
- alumina
- gadolinite
- ytterbite
- ionosphere
- fallout
Crossword Answer definitions
SEAWEED noun- Any of numerous marine plants and algae, such as a kelp.
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution