Explanation

The CPU (Central Processing Unit) executes instructions and performs calculations.

This making it the primary component responsible for processing data in a computer.

Explanation

The correct answer is "was" because "quality" is a singular noun, and the sentence is in the past tense.

So, "The quality of mangoes was good" is grammatically correct.

Explanation

Shatt al-Arab River is a transboundary river that forms the border between Iraq and Iran.

• Location: Forms the border between Iraq and Iran, and flows into the Persian Gulf.
• Formation: Formed by the confluence of the Euphrates and Tigris Rivers near Qurnah, Iraq.
• Width: Varies from 120 ft (37 m) at Basra to 0.5 mile (0.8 km) at its mouth.
• Significance: Strategically important to both Iraq and Iran, which have defended their sovereignty rights over the river for centuries.
• History: The scene of prolonged and intense fighting between Iraq and Iran in the 1980s.

Explanation

The Kunar River is also known as the Chitral River: 

Location:

• The Kunar River is a 480 kilometer (300 mile) long river that flows through both northern Pakistan and eastern Afghanistan.
• It originates from the Chiantar glacier, which is located on the border of Gilgit Baltistan and Chitral.

Flow:

• The river flows south into the upper Kunar Valley in Afghanistan, where it is called the Kunar River.
• It then joins the Kabul River near Jalalabad, and re-enters Pakistan.
• In Pakistan, it is known as the Chitral River again, and joins the Indus River at the city of Attock.

Basin:

• The Kunar River is part of the Indus River watershed basin. 

Other names:

• The Kunhar River is also known as Nain-Sukh, which means "eye's repose".

Explanation

The sentence is converted to active voice as "Did the mother dry the clothes in the lawn?"

The auxiliary verb "did" is used, followed by the base form "dry" for correct tense in active voice.

Explanation

MAC (Macintosh Operating System) is an operating system developed by Apple Inc. for its Macintosh computers.

It manages hardware resources, provides common services to applications, and acts as an interface between user and hardware.

Explanation

Algeria got independence in 1962 from France. 

Dinar is the currency.

Algiers is capital of Algeria. 

Explanation

Indirect speech, also known as reported speech, is a way of conveying someone's words without using their exact words.

In this case, the original statement is "I am a little bit nervous."

To convert it to indirect speech, we need to change the pronoun "I" to "she" and keep the rest of the sentence the same.

So, the indirect speech version is: "She says that she is a little bit nervous."

Explanation

ھوپ اگینسٹ ھوپ کے معنی انتہائی کم امید ہیں۔

Explanation

Biogas is a type of natural gas produced through the anaerobic digestion of organic matter.

Such as animal manure and food waste.

It primarily consists of methane and carbon dioxide.