Great misfortune or disaster like thunderstorm which are not caused by man is called ___________.
Answer B
If your father has two wives, the daughter of the other wife is your ______.
Electricity does not flow through rubber because it is ____________.
Answer A
The excretory system in the body does the work of ___________
A ruler is 30cm long. How many times can it be used to measure a distance of 4.2m?
Answer C
