The Water Cycle and Water Insecurity - Threshold Test 1

What percentage of freshwater is stored in glaciers, ice caps, and ice sheets?

• 30%

• 1%

• 69%

• 97%

Which process is associated with hydrology in tropical rainforests?

• Rapid runoff

• Dense vegetation consuming 75% of precipitation

• Lakes and rivers freeze

• Seasonal release of biogenic gases

Which hydrological feature is characterized by very high temperatures and very humid conditions?

• Polar regions

• Tropical rainforests

• Deserts

• Tundra

What percentage of total freshwater is found in rivers and lakes?

• 0.01%

• 1.2%

• 30.1%

• 68.7%

Where does air rise in the Hadley Cell?

• The Arctic Circle

• The Doldrums

• The Equator

• The Poles

What happens to moist air in relief rainfall?

• It descends and warms

• It rises and cools

• It stays at the same level

• It evaporates

What is the speed of throughflow in sandy soils?

• Slow

• Moderate/Fast

• Very slow

• Unaffected

What is the water table?

• The surface of a lake

• The upper level of saturated ground

• The bottom of a river

• The top layer of soil

What is the effect of black tarmac on evaporation?

• Slows down evaporation

• Has no effect

• Speeds up evaporation

• Changes water color

What does soil composition influence in a drainage basin?

• Rate of infiltration and throughflow

• Amount of rainfall

• Surface runoff speed

• Vegetation growth