Farm Share of U.S. GDP Has

question 95

Multiple Choice

Farm share of U.S. GDP has

• A) declined from about 12 percent in 1950 to 1 percent today.
• B) declined from about 12 percent in 1950 to 7 percent today.
• C) declined from about 7 percent in 1950 to 1 percent today.
• D) remained relatively stable over the past 50 years.

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Definitions:

Juxtamedullary Nephron

A type of nephron in the kidney with a long loop of Henle, extending deep into the renal medulla, involved in the concentration of urine.

Glomerulus

A network of capillaries enclosed in the Bowman's capsule in the kidney, playing a crucial role in the filtration of blood to form urine.

Renal Column

Extensions of cortical tissue that project into the medulla of the kidney, separating the renal pyramids.

Renal Pyramids

Cone-shaped tissues of the kidney that contain the nephrons, the functional units that filter blood to produce urine.