The longest days of the year in the Southern Hemisphere are experienced at the Northern Hemisphere's
A) autumn equinox. B) spring equinox. C) winter solstice. D) summer solstice.
C
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In the 19th century the famous physicist Lord Kelvin estimated the age of Earth to be much much less than its present estimate. What information did Kelvin not have to account for his error?
A) Lord Kelvin knew only classical physics and had no knowledge of anthropological dating. B) Lord Kelvin had no knowledge of radio waves for measuring distance and age of planets since they have not yet been introduced into science. C) Lord Kelvin was not aware of radioactive decay, a source of energy to keep Earth warm for billions of years. D) Lord Kelvin never gave any estimate of the age of Earth.
Which type of strength test measures the shear strength of a material along the failure plane?
a. triaxial test b. consolidation test c. unconfined compression test d. direct shear test
A diuretic does which of the following?
A) decrease urea production B) increase urea production C) decrease urine production D) increase urine production
No other element of the physical landscape has been so transformed and rearranged by human interference as the ________
A) water B) soil C) plants D) air E) glaciers