Water pollution is deterioration of quality of land water (rivers, lakes and ground water) or ...
Sometimes water contains some unwanted substances which is not suitable for drinking. This type of ...
Energy – The capacity to do work is known as energy. It is a conserved quantity. ...
1-A single bacterium in the soil interacts with (A) The water (B) Air (C) Particles ...
1-Global warming is also referred to as (A) Climate change (B) Ecological change (C) Atmosphere ...
1-Acid Rain is caused by emissions of (A) Sulphur dioxide (B) Nitrogen oxide (C) Both ...
1-Noise is (A) an unwanted noise (B) an irritant (C) a source of stress (D) ...
1-Waste is any material that is not needed by the (A) owner (B) producer (C) ...
1-The hydrosphere is the mass of water found (A) on the earth (B) found under ...
1-The Ozone hole is a much larger springtime decrease in _ ozone around Erath’s polar ...