Fact 1: Blood pH may become unbalanced if the rate of breathing is too fast or too slow.

Fact 2: When a compound is unbalanced it becomes unbalanced and unstable.

Given the two facts above, answer the question "If the rate of breathing is too fast or too slow, what my become unstable?" with the following options: 
- our planet
 - environment
 - state
 - all matter
 - our star
 - blood pH
 - cigarettes
 - fronts


 

      blood pH   