Explanation

The usual gases used for lifting airships are hydrogen and helium.

Hydrogen is the lightest known gas and thus has great lifting capacity,

Helium is not as buoyant but is far safer than hydrogen because it does not burn.

Explanation

To insert a page break in Microsoft Word, you can press Ctrl + Enter on your keyboard:

• Place your cursor where you want the page break to occur
• Press Ctrl + Enter

You can also insert a page break by clicking the Breaks button in the Page Setup group on the Layout tab of the Ribbon.

Then, choose the Page option from the drop-down menu.

A page break is a special marker that ends the current page and starts a new one. 

Explanation

The Shortcut Ctrl+Z is used to undo the last action in a document.

Additional Information:

Crtl + U is a shortcut key used to underline text.

Crtl + D is used to open the font preferences window.

Crtl + X is used to cut selected text and save it to a clipboard ready to paste elsewhere.

Crtl + Y is used to redo the changes or actions made in a document. 

Explanation

Afghanistan is a landlocked neighboring country of Pakistan.

As a landlocked country, Afghanistan has mainly relied on Pakistan for its international trade.

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neighbor country of Pakistan

1.  Pakistan is bounded by Iran to the west,
2. Afghanistan to the northwest and north,
3. China to the northeast,
4. and India to the east and southeast.

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Four least developed countries in Asia.

1. Afghanistan,
2. Bhutan,
3. the Lao People's Democratic Republic
4. and Nepal 

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ND8-1-2023

ND1-5-2023

Explanation

Author: Josh Malih Abadi

Year of publication: 1970

Language: Urdu

Subjects: Autobiography

Explanation

Explanation

The heart consists of four chambers in which blood flows.

Blood enters the right atrium and passes through the right ventricle.

The right ventricle pumps the blood to the lungs where it becomes oxygenated.

Explanation

Ethiopia Capital is Addis Ababa.

Ethiopia Currency is Birr.

Ethiopia official language is Amharic.

Ethiopia located is in Continent Africa.

Ethiopia Primary Religion is Islam, Christianity.

Ethiopia Head of Govt. is Prime Minister – Abiy Ahmed.

Ethiopia Parliament called Federal Council And House Of Representative.

Tricks for Remember

RK27-11-2022

Explanation

A biconvex lens is the type of lens found in the human eye,

and it is responsible for forming genuine images

The lens, or crystalline lens, is a transparent biconvex

structure in most land vertebrate eyes (We are all vertebrates)

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The image formed at the retina of the human eye is real and inverted.

ND-8-08-2023

Explanation

Wi-Fi stands for Wireless fidelity.

The minimum length of Wi-Fi password = 8.

The maximum length of Wi-Fi password = 63.