If the rate of breathing is too fast or too slow, what my become unstable?\nOptions:\n- (A) our planet\n- (B) environment\n- (C) state\n- (D) all matter\n- (E) our star\n- (F) blood pH\n- (G) cigarettes\n- (H) fronts OK. Let's think hard:
User
Blood pH may become unbalanced if the rate of breathing is too fast or too slow. When a compound is unbalanced it becomes unbalanced and unstable. Blood pH may become unstable if the rate of breathing is too fast or too slow.
So, the final answer is (F).
Assistant