What Causes the Outward Pressure That Balances the Inward Pull

question 47

Multiple Choice

What causes the outward pressure that balances the inward pull of gravity in a star

• A)the outward flow of energy
• B)the opacity of the gas
• C)the temperature of the gas
• D)the density of the gas
• E)the temperature and the density of the gas

---

Definitions:

Asthma

A condition in which the tubes of the bronchial tree become obstructed due to inflammation.

Breathing Capacity

The maximum volume of air that the lungs can hold or the total amount of air one can inhale and exhale.

Artifact

In a medical context, an artifact refers to any distortion or error in images (e.g., X-rays, MRIs) not caused by the actual structures of the body being imaged.

Peak Flow Zone

A term used in respiratory care to denote ranges of peak expiratory flow rates indicative of the severity or control of asthma.