Explanation

The idiom piece of cake means Easy task or Easy to do

Explanation

The United States officially withdrew on 22 November 2020.

Russia also announced its intentions to exit the treaty on January 15, 2021.

Russia formally withdrew in June 2021.

Explanation

In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube.

Water freeze at 32 F and boils at 212 F

Explanation

The degree of the Greenwich meridian in England is 0° 0' 0", or the Prime Meridian: 

It is an imaginary line that runs through Greenwich, a borough of London and ends at the North and South poles.  

It was last established in 1851

Greenwich is an area in south-east London, England

It lies on the south bank of the River Thames in the historic county of Kent.

It is used as the reference for Greenwich Mean Time (GMT).

Greenwich is famous for calculating the time for all countries.

The Greenwich meridian, also known as the prime meridian, passes through the following countries:

• England
• France
• Spain
• Algeria
• Mali
• Burkina Faso
• Togo
• Ghana 
• Antarctica

Explanation

Cut the mustard means to come up to expectations.

It refers to meeting or exceeding the required standards or expectations.

It typically in performance or ability.

Explanation

 Uthman bin Affan bought the well and gifted it to Muslims and declared it as a Waqf .

Explanation

Philanthropist is a person who seeks to promote the welfare of others, especially by the generous donation of money to good causes.

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

Extempore means بغیر کسی تیاری کے، برجستہ

Extempore refers to a speech or performance that is given without any prior preparation or memorization.

It comes from the Latin phrase 'ex tempore', which means 'out of the moment'.

It is often used in public speaking events and debates where participants are expected to speak without any prepared material.

Explanation

Nurek is a dam in Tajikistan

It is located on the Vakhsh River

It is one of the world's highest dams.

The dam is 984 feet (300 meters) high

It was completed in 1980

Nurek, Tajikistan: the city was established in 1960 to support the construction of the Nurek Dam,