ese unit 2 quizzes
Surface water comprises more of the Earth's freshwater than groundwater. Select one: True False
False
The developing countries that show the most annual population growth are in Asia. Select one: True False
False
The area in which the vast majority of water borne infections and resulting deaths occurs is _____. Select one: a. Africa b. Asia c. the Middle East d. South America
a
All of the following are hard-path solutions to the water crisis except _______. Select one: a. regional water transfers b. improving irrigation efficiency c. desalination d. capture and storage of runoff through the construction of dams
b
Plants in non-irrigated areas utilize _______ to survive and grow. Select one: a. blue water b. green water c. white water d. grey water
b
The country with the largest loss of water due to the export of agricultural products is ____. Select one: a. China b. Japan c. the U.S. d. Russia
c
The food product which composes the largest portion of the per capita water requirement for food regardless of location is ______. Select one: a. cereals and starchy foods b. oil crops and vegetable oils c. vegetables and fruits d. animal products
d
Which of these areas (Earth system) stores the most fresh water? Select one: a. water stored as water vapor over the oceans b. water stored in wetlands c. water stored as soil moisture d. water stored as permafrost
d
Global climate change has resulted in an increase in water vapor in the atmosphere resulting in an observed decrease in annual precipitation in all areas of the globe. Select one: True False
false
In the U.S. the total water storage of dams makes up about 20% of the annual runoff. Select one: True False
false
In semi-arid regions, less than 20% of irrigation water is actually used by the crops for which it is intended. Select one: True False
true
In the U.S., there has been a net gain of forest areas over the period of 1980 - 2000. Select one: True False
true
In the U.S., there has been little increase in the total dam storage since 1980 as compared to the increase in dam storage during the three decades prior to 1980. Select one: True False
true
On a per capita basis, Australia has more available water than the U.S. Select one: True False
true
The water withdrawals required to produce the food that we consume comprises the highest portion of the average person's water footprint. Select one: True False
true