FIA

Tim Berners-Lee, along with Robert Cailliau, invented the World Wide Web. He is widely recognized as the primary inventor of the WWW, making option B correct.

The abacus is considered the first mechanical calculator because it uses physical beads to perform arithmetic operations, predating electronic calculators and computers.

Jofra Archer bowled the super over for England in the 2019 Cricket World Cup final against New Zealand, helping England secure their first World Cup title.

The innermost part of the eye is the retina, which contains photoreceptor cells that detect light and send signals to the brain. The pupil is the opening that allows light in, and the iris is the colored part controlling the pupil size.

Bhasha Dam has a storage capacity of approximately 6.2 million acre-feet (MAF), making option C the correct choice. The other options do not match the known capacity of the dam.

The Colorado River is a major river located in the United States, primarily flowing through the southwestern region. Therefore, the correct answer is USA.

The '@' symbol is used in email addresses to separate the local part (username) from the domain part, effectively dividing the email into two parts.

Derawar Fort is located in the Cholistan Desert of Pakistan, making option A the correct answer. The Cholistan Desert is known for this historic fort, distinguishing it from the Thar and Thal deserts.

Islam is fundamentally based on the Quran, which is the holy book, and the Sunnah, which comprises the teachings and practices of the Prophet Muhammad. These two sources form the primary foundation of Islamic beliefs and laws.

The font size tool in many word processors, including MS Word, can be accessed using the shortcut Ctrl + Shift + P, which opens the font size dialog box. Ctrl + S is the shortcut for saving a document, so option C is incorrect.