Questions

A candidate key is a column, or set of columns, in a table that can uniquely identify any database record without referring to any other data. Each table may have one or more candidate keys, but one candidate key is unique, and it is called the primary key.

Indus Valley Civilization flourished during 2500-1750 B.C. Indus Valley Civilization is also called as Bronze age civilization.

Chemical weathering is the process of altering rocks chemically when they are broken down. It includes hydrolysis, oxidation, acid rain, etc...

1) Former President - Pranab Mukherjee

2) Social activist Late - Nanaji Deshmukh

3) Singer Late - Bhupen Hazarika

were confirmed with the India's highest civilian honour Bharat Ratna for 2018.

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