1 |
----------------- is made from food scraps and animal waste. |
Sui gas
Biowater
Biogas
None
|
2 |
The water absorbed by earth by the process called. |
Runoff
Precipitation
Infiltration
Evaporation
|
3 |
---------------- is a process where water runs over the surface of earth. |
Infiltration
Transpiration
Runoff
Precipitation
|
4 |
------------------ is used to kill the germs in water. |
Nitrogen
Oxygen
Chlorine
Sulphur
|
5 |
The cheapest water purification method is |
Filtration
Distillation
Chlorination
Boiling
|
6 |
Liquid water turns into vapours by plant is called. |
Transpiration
Infiltration
Sublimation
Runoff
|
7 |
------------ is the process where lce directly conerts into water vapours. |
Runoff
Sublimation
Condensation
Evaporation
|
8 |
Water absorb heat energy from.............. to turns into vapours. |
Sun
Fire
Moon
Night
|
9 |
In ........... water turn into water vapours. |
Evaporation
Sublimation
Condensation
Runoff
|
10 |
Teh combination of rain fall and snowfall is called. |
Snow
Sleet
Rain
Hailing
|