A compound<span> is a </span>molecule<span> that contains at least two different elements. </span>All compounds<span> are </span>molecules<span> but not </span>all molecules<span> are </span>compounds<span>. </span>Molecularhydrogen (H2<span>), </span>molecular<span> oxygen (O</span>2<span>) and </span>molecular<span> nitrogen (N</span>2) are notcompounds<span> because each is composed of a single element.</span>
C, the amount of oxygen produced is the dependent variable since that is what is being measured and it is dependent on which substance is being tested
Answer:
not sure, but you know what?
Explanation:
you are amazing! keep doing what youre doing!
Explanation:
False, they also provide oxygen
