The purpose of Daylight Savings Time is to
A. allow the Greenwich Mean Time system to represent the actual position of the Sun in the sky more accurately.
B. provide an extra hour of daylight in the evening hours, to conserve energy, at the expense of an hour of daylight in the morning hours.
C. adjust for variations in the speed of Earth's orbit around the Sun at different times of the year.
D. allow an extra hour per day for crops to grow during the growing season, at the expense of an hour per day when crops are not in the ground.
Answer: B
You might also like to view...
Oxygen is the most abundant element in the atmosphere.
Answer the following statement true (T) or false (F)
In warm, shallow, marine environments, corals and other marine life typically construct
a) reefs b) tidal flats c) stromalites
Why is calcite such a common sedimentary cementing material?
A) Calcite precipitates and forms cement readily at depth due to elevated temperatures. B) Calcite is very common. C) Calcite dissolves in water faster than halite does. D) Calcite is the most abundant material in the earth's crust.
How are pristine conditions of the atmosphere determined?
A) Research conducted prior to the Industrial Revolution B) Seawater samples from deep within polar ice packs C) Sediment samples D) All of these choices