Poor quality of fresh water leads to..........
The death of thousands of living organisms every year
The extinction of some species live in fresh water
all the above
Water makes up nearly .......... of the human body.
fourth
two-thirds
one-third
Type of a river water is...........
salt water
fresh water
All of the ......... are connected to each other
rivers
oceans
seas
The flow of a river ends when it meets a ..........
sea or a ocean
sea or a larger river
ocean or a larger river
There is less amount of groundwater on Earth than the water in rivers and lakes
False
True
polluted water can harm plants and animals
true
false
From kinds of ................ Swamps (marshes) and ponds
wetlands
sea
A.........often starts in the mountains as a stream
lake
river
Rivers contain……..... water
fresh
salt
we can conserve the limited amount of fresh water through many ways such as .......
Turning off water tap (faucet) during brushing your teeth
Taking a slow shower
Turning on the water while washing your hair
........... fresh water means using water in a correct way
Conserving
wasting
A ......... is a large body of water surrounded by land
Type of a wetland water is ............
Fresh water
Fresh water or salt water
All living organisms (humans, animals and plants) need water to survive.
All the following are from sources of fresh water on the Earth, except............
Rivers
Rains
Most of the water is ..........
........ are home to thousands of plants and animals.
Groundwater
Estuaries
A lake forms when water collects in a low-lying area
Water keeps the body........... of living organisms moderate.
temperature
color
size
percentage of fresh water that is suitable for drinking is ...... compared to the percentage of water on earth .
very large
large
very small
There is a .........amount of water on Earth
Unlimited
limited
All the following are from sources of salt water on the Earth, except............
Streams
Ocean
The ocean's floor has mountains, plains and plateaus.
Seas contain……..... water