Explanation

Sulfur dioxide (SO₂) and nitrogen dioxide (NO₂) are primary precursors of acid rain.

Acid rain is a consequence of these atmospheric pollutants reacting with water, oxygen, and other chemicals to form acidic compounds. 

These acids contribute to environmental damage.

Explanation

Hydrogen is the most abundant element in the universe.

it is about 75 percent of its normal matter and was created in the Big Bang.

Additional information:

Oxygen is the most abundant element in the earth`s crust.

Calcium is the most abundant mineral in the human body.

Explanation

 The Nile is the primary water source of Egypt, Sudan, and South Sudan

About 90% of Egypt's water supply comes from the Nile, with the remaining 10% from groundwater. 

Egypt is known as the "Gift of the Nile"

Additional information 

The Nile River flows through Northeast Africa

The outflow of the Nile River is into the Mediterranean Sea.

It has an approximate length of 6,650 kilometers (4,132 miles)

The Nile is the longest river in Africa and the world.

The Nile has two major tributaries:

• The White Nile
• The Blue Nile (begins at Lake Tana in Ethiopia)

Explanation

We can measure our blood pressure on our own using a digital blood pressure monitor for automated readings or an instrument called a sphygmomanometer for manual readings.

A sphygmomanometer also known as a blood pressure monitor, is a device used to measure blood pressure.

Explanation

The Wakhan Corridor is a narrow strip of territory in Afghanistan, extending to China and separating Tajikistan from Pakistan and Kashmir.

 The corridor was formed in 1893 and created the Durand Line.

The Wakhan Corridor is about 350 km long.

Explanation

About 97% of the Earth's water is contained in the oceans, which is saltwater.

The remaining 3% is freshwater, but most of it is frozen in glaciers and polar ice caps.

Only about 0.3% of the Earth's water is freshwater that is readily available for human consumption, agriculture, and other uses.

Explanation

This merchant deals in silk goods.

یہ سوداگر ریشم کے سامان کا کاروبار کرتا ہے۔

The preposition "in" is used to indicate the type of goods a merchant trades or specializes in.

Explanation

This work is  beyond his capacity یہ کام اس کی استطاعت سے باہر ہے۔

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If the sentence indicates physical condition, we would use under, below, and over.

But the sentence indicated the "capacity of someone" so, we select the option "beyond"

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Explanation

• The concept of Carbon Credits originated from the Kyoto Protocol.
• The Kyoto Protocol, adopted in 1997 and entered into force in 2005.
• It introduced mechanisms like the Clean Development Mechanism (CDM) that allow for the trading of carbon credits as a means to reduce greenhouse gas emissions globally.

Explanation

The Ashes is a men's Test cricket series played between England and Australia.

The term was published in a British newspaper.

First edition: 1882–83 (Australia)

Latest edition: 2023 (England)

Next edition: 2025–26 (Australia)

Tournament format: 5-match series

Number of teams: 2

Current trophy holder: Australia (Series drawn) (2023)

Most successful: Australia (34 series wins, six retentions)

Most runs: Australia Donald Bradman (5,028)

Most wickets: Australia Shane Warne (195)