208k views
2 votes
Select the correct answer.

What is ozone?
A. dissolved oxygen
B. the main catalyst in photosynthesis
C. a type of oxygen
D. a form of calcium carbonate

User BadHorsie
by
4.1k points

2 Answers

4 votes
The answer is the third choice, C
User Huytc
by
4.9k points
1 vote
A. Dissolved oxygen
User Andriy Drozdyuk
by
4.6k points