Job Roles

In the given options, "His stomach rumbled like an approaching train" is an example of Simile.

All the other options are examples of metaphors. 

Simile and Metaphor are both figure of speeches in English which are used for comparing things but the only difference is Simile uses LIKE or AS words in comparing and metaphor directly compares without using any words.

The structural unit of compact bone is Osteons or Haverisan systems.

DNA is replicated during the S-Phase in the interphase of a cell.

Yes, in any matter the particles are always moving. But the speed of the particles moving sepends on the temperature. As temperature increases, the speed of the particles also increases.

Among the given options, CH4 is a non polar molecule with symmetrical tetrahedral shape.

The simple machine Axe is made up of both the lever arm and a wedge.

Configuration Management is a support for software in managing the different items in the product, and changes in them.

Zoroastrianism, the ancient pre-Islamic religion of Iran that survives there in isolated areas and, more prosperously, in India, where the descendants of Zoroastrian Iranian (Persian) immigrants are known as Parsis, or Parsees.