Which of the following best describes the availability of freshwater on earth?
a. less than 1% of earth s water is liquid freshwater.
b. more than two thirds of earth s freshwater is stored in glaciers and icecaps.
c. 99% of liquid freshwater on earth is stored as groundwater.
d. all of the above.

The solstices and equinoxes, and the number of hours of daylight associated with each, are major factors in the seasons. use the drop-down menus to identify the month when each of these events occurs. the winter solstice in the northern hemisphere: an equinox in both hemispheres: the summer solstice in the northern hemisphere:

Find the volume of 3, 8 and one third and 10 and 2 over 5

Name the four major vegetation types of the world.