The atmospheric pressure is the weight of a column of air above the Earth’s surface per unit , As we go up , the height of this column decreases , so does the pressure...
Matter can be found in nature in one of three states which are solid , liquid , gas , Solid materials ( like wood and glass ) have a definite shape and volume ,...
Safety skills To avoid the dangers of exceeding prescribed speeds and to save souls , Traffic instructions should be followed such as leaving an appropriate distance between vehicles to allow the driver to stop...
