Non-renewable resources a.can never be replaced once they get used up. b.can be replaced but the time of replacement varies from few hundred to millions of years. c.can be replaced in 10-20years.d.none of these
amarjot2
Asked:
December 2022
Give reason for the following :1.When we dig a deep hole in the ground a level comes where all the spaces between the soil particles and gap between the rocks are filled with water.
amarjot2
Asked:
December 2022
Non -renewal resources a.can never be replaced once they get used up. b.can be replaced but the time of replacement varies from few hundred to millions of years. c.can be replaced in 10-20years.d.none of these.
amarjot2
Asked:
December 2022
Give reason for the following :1.Water should be used judiciously ,though 71%of the earth's surface is covered with water.
amarjot2
Asked:
December 2022
The bulb in the circuit given below does not glow.Can you identify the reason? draw a circuit diagram with necessary changes to make the bulb glow.
amarjot2
Asked:
December 2022
Which one is not a renewable natural resources? (a)soil(b)forest(c)underground water(d)coal
amarjot2
Asked:
December 2022
identify the nature and size of image in following cases and complete the table :Note :F-focus,C-centre of curvature, P-pole 1.Image formed by a concave mirror for differentpositions of the object
amarjot2
Asked:
December 2022
Circle the odd ones.give reason for your choice :1.screening primary sedimentation aeration grit removal. 2.cholera dysentery jaundice cancer.3.scraper sewage digester tank aerator.
When more rainfall occurs, the water table. . . . . . . . . . . . . . . . . . . . . a.rises b.falls c.does not change d.freezes
amarjot2
Asked:
December 2022
Identify the nature and size of image in following cases and complete the table :NOTE :F-focus, C-centre of curvature, P-pole 1.Image formed by a convex mirror for different positions of the object.
amarjot2
Asked:
December 2022
Identify the nature and size of image in following cases and complete the table : 2.Image formed by a convex mirror for different positions of the object
which means of communication is most popular now a days?
amarjot2
Asked:
December 2022
which of these can be used in case of an electric fire?a.Waterb.Soda-acid fire extinguisher c.Carbon dioxide fire extinguisher d.Sand
hydrated iron oxide answer is starts from R
What is the meaning of speed breaker and explain its purpose.