9. Steve Jobs had received knowledge about computer mouse from Xerox Corp. But, the mouse is not very durable and expensive to make it. Steve Jobs and one of his engineers, Dean Hovey, experimented different ways and finally improvised the efficiency of mouse. Such process of improvisation is called as?

Such process of improvisation is called Creative Improvision.

Explanation:

In any sector involved, there is need to improvise inorder to get a better version of that particular thing being worked upon. For example, a manuscript needs to be improved on through improvision same with a structurally defective building that needs improvison inorder to resolve the defects.

In the case of Steve Jobs and Dean Hovey (His employee) expirementation ( improvised) in order to get an efficient mouse, it is called creative improvision.  

radiant energy is a form of kinetic energy only.(a)

the answer is solomon northrup. he was a free-born african american, abolitionist and professional violinist that was drugged, kidnapped and sold as slave in 1841 and remained in captivity until 1853 where he regained his freedom with the of the then-governor of new york, washington hunt. he wrote and published his memoirs "twelve years a slave" in 1853, and in this text, he tells the story of his escape thru one of louisiana's swamps (the great pacoudrie swamp) in which he ended up covered in green slime from crossing the surface of the dead water.