Explanation

A mirage occurs when light bends due to varying air temperatures, causing total internal reflection.

This makes distant objects appear as if they are reflected in water, commonly seen in deserts.

Explanation

Any number divided by a non-zero whole number follows the basic division rule: 0 ÷ any number = 0.

Division by zero is undefined, but dividing zero by a number results in zero.

Explanation

Emigration refers to people leaving one country or region to settle in another.

It contrasts with immigration, which means entering a new country to live permanently.

Explanation

Veins carry blood toward the heart.

They have valves to prevent the backward flow of blood due to low pressure, especially in the limbs.

Arteries do not have valves (except at the heart).

Capillaries are too small and thin to have valves.

Explanation

پہلی وحی: سورۃ العلق (آیات 1 تا 5)

دوسری وحی: سورۃ المدثر (آیات 1 تا 7)

Explanation

Ferozpur was a Muslim-majority district that, despite expectations of going to Pakistan.

It was awarded to India under the Radcliffe Award during the 1947 partition.

This decision caused significant disappointment among Muslim leaders.

It became a controversial point in partition history.

Explanation

Elevation means an increase or rise in something, especially in level or amount.

In this sentence, it refers to the raising of blood pressure.

Elevation means کسی چیز میں اضافہ یا اضافہ

Explanation

حضرت مصعب بن عمیر مدینہ منورہ کے پہلے معلم تھے اور انہوں نے اسلام کی تعلیم دینے کا آغاز کیا۔

ان کی کوششوں سے مدینہ میں بہت سے لوگ اسلام قبول کر چکے تھے۔

Explanation

سابقے وہ حروف یا الفاظ ہوتے ہیں جو کسی لفظ کے شروع میں لگ کر اس کے معنی بدل دیتے ہیں۔

جیسے "نا" کو "ناامید" میں لگا کر اس کے معنی تبدیل ہو جاتے ہیں۔

Explanation

"Generally" indicates how often something happens, referring to the usual or common occurrence.

It modifies the verb "have" to express a typical frequency of sleep patterns in children.