Why should we avoid pollution?
Because pollution effects our health
Because pollution does not affect our health
Because pollution does not affect the environment
Because pollution is good for our health
When the air contains gases, dust, fumes or odour in harmful amounts, it is called:
Water pollution
Air pollution
Soil pollution
Noise pollution
Noise pollution can be reduced by:
By keep the volume of the music we listen to and the television low at home
By not allowing factories to pour their dirty chemicals into water bodies
By treating sewage before being released into water bodies
By using natural fertilizers to grow crops instead of chemical pesticides
Water pollution can be reduced:
By not blowing the horn of a vehicle unless necessary
By using loud speakers within the limited time and volume
Undesirable levels of noises caused by human activity is called:
Land pollution
By dumping garbage in water bodies
By smoke from vehicles and factories
By chemicals getting thrown into the soil
By chemicals getting thrown into water bodies
The grey, black or white mixture of gases is:
Oxygen
Hydrogen
Nitrogen
Smoke
Which is the problem caused by air pollution?
Asthma
Diarrhoea
Hypertension
Deafness
The presence of toxic chemicals in soil, in high enough concentrations at the risk to human health and ecosystem is defined as:
Why should we take care of other living things?
Because living things need care
Because living things cannot grow without the help of others
Because living things depend on each other
Because living things do not depend on each other
