Questions

Anarchy means Absence of government.

Cobalt therapy or cobalt-60 therapy is the medical use of gamma rays from the radioisotope cobalt-60 to treat conditions such as cancer.

Cobalt 60 is a synthetic radioactive isotope of cobalt with a half-life of 5.2714 years. It is produced artificially in nuclear reactors.

450 mm Hg denotes the air pressure.

There are two types of printers we use. They are 

* Laser Printers and

* Inkjet Printers.

And again Laser printers are of two categories. They are ::

1. Personal laser printers  and

2. Office laser printers.

Permanent hardness of water may be removed by the addition of Sodium Carbonate.

Russia has decided to venture into Internet of things with new satellite system 'Marathon'.

Living organisms often contain trace amounts of several elements, but the most abundant ones are oxygen, carbon, hydrogen, nitrogen, calcium, sulphur and phosphorus.