57.1k views
1 vote
An element that is an invisible gas is

a gold
b copper
c iron
d oxygen

User TheParam
by
8.0k points

2 Answers

5 votes
The answer is D. Oxygen.
User Samuel Vidal
by
8.6k points
5 votes
The answer to your question is oxygen
User Jdee
by
9.1k points