Explanation

The colon: is a punctuation mark consisting of two equally sized dots placed on the same vertical line.

A colon often precedes an explanation, a list, or a quoted sentence

Explanation

This is a wise saying of American writer Benjamin Franklin.

Explanation

We use whether in indirect yes-no questions and questions with or.

Explanation

modus operandi Sentence example::

he way in which something operates or works.

Modus Operandi means طریقہ کار

Explanation

use don't in a sentence

Didn't is used in simple past tense for forming a negative sentence

for example:

"When you argue with a friends, you don't go home and destroy touched do you.

Explanation

A jury is a sworn body of people (jurors) convened to render an impartial verdict officially submitted to them by a court, or to set a penalty or judgment.

deliberate mean: to think about or discuss issues and decisions carefully The jury deliberated for several days before reaching a verdict. transitive verb.

Explanation

we use met in a sentence

A simple sentence with “met” contains a subject and a verb, and it may also have an object and modifiers

Explanation

Medieval Europe was a vast community consisting of not “nations” but “territories” which were loosely connected by the cultural and ideological ties of Christianity

Explanation

Article "A" is used before "Europe".

Here European sounds similar to 'Y', not 'E'. So, we should use 'a'.

Explanation

Answer: The cause and effect relationship remains the focus of scientific investigation