Ice core data from Greenland reveal that rapid shifts in climate (from ice age conditions to a much warmer state) took place in as little as ____ over central Greenland around the end of the Younger Dryas.
a. a century
b. a decade
c. a year
d. a thousand years
e. four thousand years
Question 2
The continental ice sheets over North America disappeared ____.
a. between about 9,000 and 6,000 years ago
b. approximately 14,700 years ago
c. about 2.5 million years ago
d. between about 5,000 and 4,000 years ago
e. about 1300 years ago
A levallois core from Kapedo Tuffs, Kenya dates about 130,000 years ago.
Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19
Various types of integumentary conditions. (G) Burn, second degree.
The pH scale is logarithmic. A low pH indicates acidic conditions, whereas a high pH indicates ...
Climate change affects organisms and ecosystems
Earth’s Climate System