________ is made by mixing iron with carbon and metals like chromium, nickel and manganese.

________ are designed to read and interpret HTML.

The angle between the __________and the incident ray is called the angle of incidence.

A ball rolling along the ground gradually slows down and finally comes to rest is due to ________.

Animals belonging to phylum _____________ are fundamentally characterised by the presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits.

Bryophytes are also called ____________ of the plant kingdom.

The__________ are the primary female sex organs that produce the female gamete (ovum) and several steroid hormones (ovarian hormones).

The innermost layer is the core with a radius of about ___________ km.