Interstellar Gas Clouds May Collapse to Form Stars If They

question 56

Multiple Choice

Interstellar gas clouds may collapse to form stars if they

• A)have very high temperatures.
• B)encounter a shock wave.
• C)rotate rapidly.
• D)are located near main sequence spectral type K and M stars.
• E)All of the other choices are correct.

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Definitions:

Atrial Natriuretic Peptide

A hormone secreted by heart atria cells in response to high blood pressure, functioning to reduce the volume of fluids in the body.

Adrenal Cortex

The outer region of each adrenal gland; secretes steroid hormones, including mineralocorticoids and glucocorticoids.

Sodium Reabsorption

The process by which sodium ions are reabsorbed from the kidney tubules back into the blood, crucial for maintaining body fluid and electrolyte balance.

Reabsorption Of Water

The process by which water is absorbed back into the bloodstream from the kidneys during urine formation to maintain body fluid balance.