Because after the sun is 'overhead' in India, it takes roughly 5-1/2 hours
for the Earth to turn far enough to place the sun 'overhead' in London.
Our clocks are built to match what the sun appears to do.
China believes that building the Three Gorges Dam was an absolute necessity in terms of energy production because it can generate hydro-electric energy from Yangtze River. This hydro-electric-producing dam would generate less pollution than coal-fire generation and would slow the river from overflowing and destroying nearby villages.
C, usually minerals can be found on just about every continent
Answer: D
Explanation: Maintaining a watch for at least a half hour after completion of welding operations is not a responsibility of a fire watch.
A fire watch has the responsibility of detecting fires early so that they can be extinguished quickly thus preventing or minimizing damages to land and property. They are familiar with alarms systems and procedures, maintaining fire fighting equipment and also trained in their use.
Fire watches are often employed in forested areas with risk of fires (high) or in industrial settings where hot work is occurring such as welding or metal grinding.