Of the following areas on Earth's surface, which area moves fastest and has the greatest linear velocity?
A) North Pole (90° north)
B) Tropic of Cancer (23.5° north)
C) Tropic of Capricorn (23.5° south)
D) Equator (0°)
D
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Under normal circumstances, which of the following is(are) normally sterile environments in mammals?
A. Ureters B. Urinary bladder C. Kidneys D. All of the choices are correct.
Which process accounts for the movement of solid particles (such as food) into some animal cells?
A) Phagocytosis B) Osmosis C) Active transport D) Facilitated diffusion E) Simple diffusion
During the initiation of nitrogen-fixation nodules, the Rhizobium bacteria release what type of molecules to signal the host plant?
A. Nod factors B. flavonoids C. sugars D. transcription factors E. proteins
Some inhaled air never reaches the lungs.
Answer the following statement true (T) or false (F)