The length of a year is 365(\(\frac{1}{4}\))days because that is the time it takes.
Which of the following gradients is the steepest?
When the gradient of a river channel changes from a steep to a gentle angle, the main activity of the river will be
Which one of the following countries has an export trade which is dominated by a single mineral?
Which of the following lakes owes its origin mainly to faulting?
