In Massive Stars,three Helium Nuclei Fuse Together,forming a Carbon Nucleus,and

question 17

Multiple Choice

In massive stars,three helium nuclei fuse together,forming a carbon nucleus,and this reaction heats the core of the star.The net mass of the three helium nuclei must therefore be

• A)higher than that of the carbon nucleus.
• B)less than that of the carbon nucleus.
• C)the same as that of the carbon nucleus because mass is always conserved.
• D)the same as that of the carbon nucleus because energy is always conserved.

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Definitions:

Pituitary Tumor

A growth or mass that forms within the pituitary gland, potentially affecting hormonal balance and bodily functions.

Acromegaly

A hormonal disorder that develops when the pituitary gland produces excessive growth hormone, leading to enlarged body parts.

Cushing's Syndrome

A condition caused by prolonged exposure to high levels of cortisol, leading to symptoms like weight gain, thinning skin, and a rounded face.

ADH

Antidiuretic Hormone, a hormone that helps regulate water balance in the body by controlling the water concentration of urine.