general knowledge 130

Test # 130
Enter eMail-id:

1. The optimum dissolved oxygen level (in mg/liter) required for survival of aquatic organisms is ?


Invention : radio
Year : 1896
Inventor : guglielmo marconi
Country : italy.      .. More >>

silver jubilee:
n.
1.an anniversary celebrating the passage of 25 years      .. More >>
  • What comes after the year of the snake - Chinese calendar ? . Answer ..
  • Basic English Usage
    Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)