Questions

OS-2 operating systems is produced by IBM. It also created it's own version of DOS called PC-DOS.

Elasticity is measured as ratio of stress to strain. For a given amount of stress, the strain produced in the steel is comparatively smaller than the strain produced in the rubber.

Therefore, with the help of Young's modulus, it can be concluded that steel has greater elasticity than rubber.

There are more than 100 types of cancer in the world.

Chaparral biome is also called Mediterranean. The chaparral biome is a part of each continent and consists of various types of terrain including mountains and plains. It is often confused with the desert biome because they share many similarities such as both being hot and dry. The chaparral biome receives more rainfall per year than the desert biome.

Options A, C and E in the absence of a proper subject add the ‘bag’ automatically to the verb ‘racing for the bus’. So, it does not make any sense as it would mean that the bag is racing for the bus. Option B is incorrect because of the fragment ‘making the documents lose’. Option D doesn't convey the proper meaning.