Explanation

Smallest 5-digit number: 10000

Greatest 4-digit number: 9999

Result = 10000 - 9999= 1

Explanation

Dry ice sublimation is a physical change where solid CO₂ directly turns into gas without changing its chemical composition.

Rusting of iron, burning of wood, and cooking of egg are all chemical changes, where new substances are formed.

Explanation

The main enzyme used to make cheese is rennet (also known as rennin).

Rennet is a milk-clotting enzyme that causes milk to curdle, which is a crucial step in cheese production. 

Explanation

Coagulation is the process where a liquid changes into a semisolid or gel-like state.

It often occurs in biological and chemical systems, such as blood clotting or curd formation.

Explanation

Words like "first," "next," "then" help show the order of events or steps in writing.

These are called sequence markers because they organize ideas sequentially.

Explanation

Frequency is the number of cycles per unit time in a periodic wave.

It is measured in Hertz (Hz), where 1 Hz equals one cycle per second.

Explanation

Given:

105 increased in the ratio 9 : 7

To increase 105 in the ratio 9 : 7, we'll multiply 105 by 9/7:

New value = 105 × (9/7)

= 15 × 9

= 135

Explanation

An anagram is a word formed by rearranging all the letters of another word.

"Tenils" is not a valid English word, so it is not an anagram of "silent."

Explanation

غزوہ خندق میں اللہ تعالیٰ نے ایک شدید طوفان بھیجا جس نے دشمنوں کی صفوں کو منتشر کر دیا۔

اس طوفان کی وجہ سے دشمن کی فوج کی طاقت کمزور پڑ گئی، اور مسلمانوں کو فتح حاصل ہوئی۔

Explanation

"He" is an anaphoric reference that refers back to "Ali."

Anaphora occurs when a word refers to something previously mentioned in the sentence.