The default value at which a refresh interval (an interval a sec. server check for zone updates) is 15 minutes.
If this value is increased, the network traffic is reduced. In the eventuality that the refresh interval expires, the secondary zone will contact the primary zone and request it to initiate the zone transfer.
Answer:
d. The system of water spray pipes did not have sufficient water supply
Explanation:
The Union Carbide India Ltd. was chemical factory situated at Bhopal that produces various pesticides, batteries, plastics, welding equipment, etc. The plant in Bhopal produces pesticides. In the year 1984, on the night of 2nd December, a devastating disaster occurred on the Bhopal plant which killed millions of people due to the leakage of the poisonous, methyl isocyanate. This disaster is known as Bhopal Gas tragedy.
Soon after the gas pipe exploded, the fire brigade started spraying water into the air to 
the cloud of the gases in the air but there was not sufficient amount of water in the water sprays and so it was not effective.
Thus the correct answer is option (d).
Hypertext Markup Language, a standardized system for tagging text files to achieve font, colour, graphic, and hyperlink effects on World Wide Web pages.
this information was taken from google
Answer:
one inch=25.4
12 meters=13.12
10 quarts=9.46
12 milliliters=0.0004
400 pounds= 181 kg
25 meters/second=82
68F=20C
Explanation:
heres the full ones
one inch=25.4
12 meters=13.1234 yards
10 quarts=9.46353
12 milliliters=0.000405768
400 pounds=181.437
25m/s=82.021f/s
68f=20C
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