Which of these can be classified as a substance A) oxygen B) carbon dioxide C) air D) acid rain

asked Jan 1, 2020 55.0k views

2 votes

8.9k points

Please log in or register to add a comment.

3 votes

Answer:

carbon dioxide

Step-by-step explanation:

the rest are mixtures

A chemical substance is composed of one type of atom or molecule.

Mehdi Sakout answered Jan 3, 2020

7.5k points

4 votes

D could be a answer

Bryan Weaver answered Jan 5, 2020

8.1k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers