Environmental Science
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 ...
1-The atmosphere of Earth is the (A) a layer of gases that surrounds the earth ...