<span>Convergent faults occur when plates move towards each other. the resulting movement causes volcanoes and mountains to form. As plates move towards each other the denser plate usually subducts and melts, causing magma to rise forming volcanoes. As convergent faults and margins come together the resulting compressional force causes rocks to bend and fold upwards forming fold mountains. The Andes mountain range in South America is an example of volcanic and fold mountain formation at a convergent margin. </span>
This is 21st century .In this time our society as well as all of the world had become advanced and modern.So,in this time if we started to work without any technology then while working we need more manpower and our time will be loss.Science ,technology,engineering and maths play important role in modern world d .It helps in sustain able development and helps any country to be self dependent and makes profit by which Nations will be developed and it helps to win the future.
In human somatic cells, there are 23 pair (2n) of chromosomes, and there are 23 pairs in all cells except in gametes. Of the 23 pair in somatic cell, 22 pair are autosomes, while two are sex chromosomes.
