If the scale of two maps are (a;1:100,000 and b;1:400,000) what is the ground distance if the distance between two towns on the maps is 10cm?

Which of the following is a reason for the high volume of trade between Nigeria and developed countries?

The following are seaports used in the North Atlantic sea route except?

_______ is the condition of the lower atmosphere of a place over a short period?

In a combined maximum and minimum thermometer, the difference between the hottest and coldest daily temperature for that day gives the?