Whereas lines of competition are clearly defined in the more established industries, in the internet industry they are blurred and indistinct, as companies that compete one day may be partners the next. true or false?

True

Explanation:

The statement 'In internet industry the lines of competition are indistinct' can be considered True.

For an instance, Elance and oDesk were two freelancing websites where clients would post projects and hire freelancers over internet to get their job done.

Later on both the websites were merged into a single bigger site now known as the 'Upwork'.

Hence, it is true that in internet industry the companies that are competitors of each other can become partners the other day.

answer; i believe that the correct answer is ( rivers);

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.