In the Montreal Protocol of 1987, Most of the Nations

question 14

Multiple Choice

In the Montreal Protocol of 1987, most of the nations that produced or used CFCs agreed to

• A) a gradual phase-out of those materials.
• B) limit future use of CFCs to amounts produced in that year.
• C) an immediate ban on all CFCs.
• D) a quick phase-out of CFCs.

---

Definitions:

Defibrillator

A device used to deliver a therapeutic shock to a heart in abnormal rhythm, in an attempt to restore normal heart rhythm.

Electrode Paddles

Devices used during defibrillation to deliver an electric current through the chest wall to the heart.

Ventricular Contractions

The rhythmic tightening and pumping action of the heart's ventricles, which send blood out to the body (systole) and relax to fill with blood (diastole).

Inferior Vena Cava

The large vein that carries deoxygenated blood from the lower and middle body into the right atrium of the heart.