What do you mean by buoyancy? [1 MARK]
Definition: 1 Mark The upward force exerted by a liquid on an object that is immersed in it is known as buoyancy.
What do you mean by buoyancy?
What do you mean by management of natural resources? [1 MARK]
What do you mean by electromagnet ? [2 marks]
What do you mean by the frequency of a sound wave? [1 MARK]