Polar ice caps are found near the
A. East and West poles
B. East and North poles
C. North and South poles
D. West and South poles
Related Questions on Chapter 13: Importance of Water - Science Mcqs for Grade 7
Fluoride is also added to water, which helps in preventing
A. infection
B. sickness
C. fever
D. tooth decay
The tanks that supply water to towns are built at
A. roofs of buildings
B. high towers
C. town level
D. high lands
Desalination plant is very expensive because it
A. uses a large amount of fuel
B. is built on mountains and high lands
C. uses electric machinery for desalination
D. is built with expensive material