Question

upon entering a grain bin without testing the air, mackenzie feels drowsy, she starts to have difficulty breathing, and quickly becomes disoriented. what do these symptoms indicate? select the best option. excessive carbon dioxide may be present. excessive oxygen may be present. it is too warm inside the grain bin. she suffers from claustrophobia.

Explanation:

Excessive carbon - dioxide can displace oxygen, leading to symptoms like drowsiness, difficulty breathing, and disorientation. Excessive oxygen is not associated with these symptoms. Temperature being too warm doesn't typically cause such immediate and specific respiratory and cognitive symptoms. Claustrophobia mainly causes anxiety - related symptoms rather than these physiological ones related to air quality.

Answer:

Excessive carbon dioxide may be present