According to Freedom House,about What Proportion of Countries Are Free

question 42

Multiple Choice

According to Freedom House,about what proportion of countries are free?

• A)one-quarter
• B)one-third
• C)one-half
• D)three-quarters

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Definitions:

Renin

An enzyme produced by the kidneys that plays a key role in the regulation of blood pressure through the renin-angiotensin system.

Hyponatremia

Abnormally low plasma concentration of sodium ions.

Aldosterone

A steroid hormone secreted by the adrenal cortex that regulates sodium and potassium balance in the bloodstream, affecting blood pressure and volume.

ADH

Antidiuretic hormone, a hormone that helps to regulate and conserve the amount of water in the body by reducing urine output.