ground water, glacier, ice sheets, atmosphere, lakes and rivers
New cards
3
only 3% water is \_______ water
fresh
New cards
4
precipitation
moisture that reaches the earth in the form of snow, sleet, hail, and most commonly rain
New cards
5
surface run off
precipation that flows over ground surface eventually finding its way in rivers and streams
New cards
6
interception
precipitation that doesn't reach the earths surface due to being obstructed by trees and plants
New cards
7
Infiltration
when the soil absorbs water it goes down between the cracks and pore spaces
New cards
8
through flow
water flows from the same level parallel to the ground unlike surface run-off
New cards
9
ground water flow
moment of water inside the earth in one direction
New cards
10
transpiration
loss of water from the surface of the leaf
New cards
11
aquifer
water stored in porous rocks underground
New cards
12
the most common way by which water is obtained from aquifers is
wells
New cards
13
water from river can be taken by?
dipping bucket into water or building reservoirs
New cards
14
reservoir
can be built behind dams or by the side of a river
New cards
15
how to get water from sea
desalination
New cards
16
method of desalination
reverse osmosis and distillation
New cards
17
describe reverse osmosis
salt is pumped at high pressure through fine membrane
New cards
18
ways in which fresh water can be used
domestic industrial and agricultural
New cards
19
explain domestic use of water
used at home for drinking and cooking in MEDCs more water is used for flushing and washing and washing clothes
New cards
20
industrial use of water
cooling in the production of electricity also used as universal solvent
New cards
21
agricultural
irrigation plants need water to transport minerals and animals need water to survive
New cards
22
water-rich regions
countries with plentiful fresh water supply
New cards
23
water-poor regions
countries with scarce supply of fresh water
New cards
24
why do urban areas have higher access to safe drinking water
cities are more wealthy with factories and offices on average peoples salaries are higher wealthy people are more likely to live in cities water pipes easier to build as people live closer together
Studied by 28 people
