Mathematical difficulty is subject to interpretation, but the majority of upper level math students find the concepts contained in calculus and differential equations most difficult.
Concepts relevant to calculus are used in determining atmospheric gradients, which are important in determining global atmospheric trends.
By saving energy
environment factor is environment saving,or we can say afforestation.
No. People working in Antarctica in support of science generally keep the time zone of their supporting government. There is no standard time in Antarctica.
yes,it is very useful to save a environment.
During the Senior years when people are no longer working and are on a fixed income, saving can be difficult.
by saving electricity
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by saving their lives
The only place where clocks are advanced two hours for Daylight Saving Time is Troll Station, Antarctica.
Saving money and and preserving the environment.
dont leave lights and electronics on
dont leave lights and electronics on