Explanation

A hygrometer is an instrument used to measure the moisture content or humidity level in the air.

It often used in weather forecasting and environmental studies.

Explanation

I wear glasses for reading.

میں پڑھنے کے لیے عینک پہنتا ہوں۔

The preposition "for" is used to indicate the purpose of something.

In this case, "for reading" means the glasses are used with the purpose of reading.

Explanation

The Iron Cross (Eisernes Kreuz) was a military decoration established by King Frederick William III of Prussia in 1813.

It was the highest military award of Germany until the end of World War I in 1918.

It was revived as a military award by the Nazi regime in 1939.

It was used until the end of World War II in 1945.

Explanation

The Global Summit 2018, also known as the One Planet Summit.

It was held on December 12, 2018, in Paris, France.

The summit was organized by French President Emmanuel Macron and aimed to address climate change and environmental issues.

Explanation

Due to biomagnification, DDT (Dichlorodiphenyltrichloroethane) accumulates more in organisms higher up the food chain. 

Seagulls, being top predators, experience the highest deposition of DDT.

Explanation

Lucknow was recaptured by British forces in 1858, during the Indian Rebellion of 1857, also known as the Sepoy Mutiny.

The rebellion began in May 1857, and Lucknow, the capital of the Awadh region.

It was a key center of resistance against British rule.

The British forces, led by General Sir Colin Campbell, recaptured Lucknow in March 1858, after a prolonged siege and fierce fighting.

Explanation

Indira Gandhi was the daughter of Jawaharlal Nehru.

She was the first woman prime minister of India.

She serving from 1966 to 1977 and then again from 1980 until her assassination in 1984.

Her father, Jawaharlal Nehru, was the country's first Prime Minister from 1947 to 1964.

Indira Gandhi's son, Rajiv Gandhi, also became the Prime Minister of India, serving from 1984 to 1989.

Explanation

x + x1/5 = 60000

x = 50000

So increase = 60000 - 50000 = 10,000

Explanation

Algorithm and Flowchart are tools used to:

• Define a problem
• Break it down into smaller steps
• Logically organize those steps
• Visually represent the process

They help to:

• Specify the problem completely and clearly
• Identify the steps needed to solve the problem
• Understand the logical flow of the solution
• Communicate the solution to others

Explanation

After the Arctic, Pakistan has the largest number of glaciers outside the polar regions.

Major glaciers include Siachen, Baltoro, Biafo, and Hispar, mostly in the Gilgit-Baltistan region.