Solution:
A neap tide seven days after a spring tide refers to a period of moderate tides when the sun and moon are at right angles to each other.

Solution:
The International Date Line isn't a fixed line at all, but actually sort of follows the 180° longitude line, zigzagging its way through a bunch of small islands, territories and nations.

Solution:
Because of the rotation of Earth from west to east, the winds are deflected towards right in the Northern hemisphere & towards left in the Southern hemisphere. This is also known as Coriollis Effect.

Solution:
Time at London (0° longitude) is 10:30 am. Baghdad is at 45°E. Difference in longitudes = 45° For every 1° longitude, there is a difference of 4 minutes For 45° longitude there will be a difference of = (45*4)minutes = 180 minutes or 3 hours As Baghdad is towards the east of London, it'll be ahead of time at London time at Baghdad = (10:30am + 3 hours) = 1:30pm

Solution:
An aeroplane takes off from 30° N latitude, 50° E longitude and lands at the opposite end of the earth. It will land 30° S Lat., 130° W Long.

Solution:
The correct sequence of the given Continents in the decreasing order of their percentage of Earth's land are Africa – North America – South America – Europe.

Solution:
Maximum difference in the spacing of longitudes is at equator. At the equator, the distance between two latitudes and two longitudes is 111.1 kms.