Explanation

The surface area of a sphere is given by the formula: 4πr².

Substituting r = 7 cm, we get 4 × 3.1416 × (7)² = 616 cm².

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

عقائد جمع ہے "عقیدہ" کی۔

جس کا مطلب ہے ایمان یا اعتقاد (جیسے اسلامی عقائد)۔

Explanation

Open garbage dumps release toxic gases into the air, leading to air pollution (e.g., methane, ammonia).

When rainwater passes through waste, it forms leachate, which contaminates groundwater and causes water pollution.

Explanation

بلوچستان میں گلہ بانی کا پیشہ بہت عام ہے کیونکہ یہاں کی زیادہ آبادی دیہی اور چراگاہوں پر منحصر ہے۔

اس خطے میں جانوروں کی دیکھ بھال اور مال مویشی پالنا روزمرہ کا اہم ذریعہ معاش ہے۔

Explanation

اعتصموا ایک فعل امر ہے جو جمع کے لیے حکم دیتا ہے، یعنی "تم سب پکڑو" یا "تم سب مضبوطی سے تھامو"۔

جو حکم (کمانڈ) کے لیے استعمال ہوتا ہے، اس لیے اسے فعل امر کہتے ہیں۔

Explanation

A prefix is a group of letters added at the beginning of a word to change its meaning.

"un-" is a prefix meaning "not" (e.g., unhappy = not happy)

Explanation

1st Jan 1981 interest-Free Banking was introduced in Pakistan first time.

From July 1, 1985, all commercial banking in Pak Rupees was made interest-free. 

In 1985 the President of Pakistan Mohammad Zia-ul-Haq introduced an interest-free banking system in Pakistan

Meezan Bank is interest-free in Pakistan.

Explanation

Antibodies are specialized proteins produced by the immune system.

They help identify and neutralize foreign substances like bacteria and viruses.

Explanation

At the primary level, teaching in the mother tongue helps children understand better and feel more comfortable.

Teachers using the child's native language can connect better.

It often show more patience in communication and learning.