Question: What are latitudes and how many of them are there?
Answer: Imaginary line drawn parallel to the equator which run east to west on earth’s surface are called latitudes. There are 181 line of latitude.
Question: Differentiates between latitudes and longitudes.
Question: What is prime meridian?
Answer: The longitude that passes through the observation at Greenwich near london is the prime meridian and is numbered 0º.
Question: What is a grid?
Answer: A network of lines formed by latitudes and longitudes.
Question: State the importance of the International date line?
Answer: The 180º longitude is also called the International date line. The moment you cross to the east of it you gain or add a day, and if you cross to the west of it you loose or subtract a day.