Differences in timings across different counties across the world. The need for conversion of timings in order to convey time.
Latitude and longitude <span>have been used as a grid measurement system for navigating the earth for hundreds of years.
Hope this helps !
Photon</span>
I am guessing but im not sure i think the answer is humidity
There is a strong link between increased levels of education for females and lower fertility rates. That is, the higher the level of a woman's educational attainment, the fewer number of children she is likely to bear, and this effect is shown in countries and cultures around the world.