Explanation

Human blood is red because haemoglobin,

haemoglobin is carried in the blood and functions to transport oxygen.

Explanation

• E-mail stands for: Electronic Mail
• Father of E-mail: Ray Tomlinson
• First E-mail sent: 1971
• @ is used to divide an email into: two parts
• SMTP helps to send: E-mails
• SMTP stands for: Simple Mail Transfer Protocol
• Received email is saved: inbox
• Sent email is saved in: sent box
• Maximum attachment size in Yahoo Email: 25 MB
• G-mail stands: Google Mail
• Email spam also called: junk email
• To close email account click: sign out
• To create new E-mail: Sign Up
• Email hacking means: Illegal access to open email accounts of others
• Junk email is also called: Spam 
•  At sign (@): always a part of email address
• Sending an E-mail is similar to: writing a letter
• A allows us to access our e-mail from anywhere: Webmail interface 
• Bookmark:  is associated with Internet E-mail

Explanation

Betray means خیانت کرنا

Be loyal means وفادار رہو

Explanation

Weak means کمزور

Muscular means طاقتور جسمانی

Explanation

Hypertext refers to text that links to other information.

It allows users to navigate from one document to another via hyperlinks.

It facilitating easy access to related content.

Explanation

• Facts about Muhammad bin Qasim
• Nirun, fortress (called Sikka), Brahmanabad, Alor, Multan and Gujrat
• close relative of Hajjaj bin Yousuf
• Governor of Persia
• The Umayyad caliphate ordered Muhammad Bin Qasim to attack Sindh
• At Rohri he was met by Dahir’s forces. Dahir died in the battle, his forces were defeated
• After the conquest of Multan, he carried his arms to the borders of the Kingdom of Kashmir, but his dismissal stopped the further advance.
• death on 18th of July, 715AD at the age of twenty

Explanation

Explanation

The set of common members of two sets is called the intersection of sets.

The intersection of sets is the set of all elements that are common to both sets.

The symbol for the intersection of sets is ⋂.

Explanation

In set theory, the union of a collection of sets is the set of all elements in the collection.

Explanation

Due to high salt in the sea water the density of the seawater is higher as compared to river water. So as the density increases the buoyant force also increases.

It is easier to swim in sea water than in river water because we observe more buoyant force in sea water due to its hardness than in river water.