What happens to the hemoglobin's ability to transport oxygen (O₂) when carbon monoxide (CO) is bound to it?

A) It decreases.
B) It increases.
C) It remains the same.
D) It varies from person to person.

________ is the fear of being trapped in enclosed places.

A) Claustrophobia
B) Brontophobia
C) Triskaidekaphobia
D) Agoraphobia