Explanation

Explanation

The ozone hole happens when the protective ozone layer in the stratosphere above the South Pole begins to thin every September.

All Important Questions Related to "OZONE"

The stratospheric ozone layer is Earth's “sunscreen”  protecting living things from too much ultraviolet radiation from the sun.

Oxygen layer in the atmosphere

Ozone protects us from the harmful ultraviolet radiation of the sun.

Ozone formula: O3

The ozone layer lies approximately 15-40 kilometers (10-25 miles) above the Earth's surface, in the stratosphere.

The ozone layer is depleting: Air pollution

ND17-7-2023

Explanation

Breakbone fever is another name for Dengue.

It is a viral disease transmitted by Aedes mosquitoes,

It causing severe joint and muscle pain.

Explanation

Claustrophobia is the fear of confined or small spaces.

کلاسٹروفوبیا محدود یا چھوٹی جگہوں کا خوف ہے۔

It can cause anxiety in situations where escape feels limited.

Explanation

Usman Buzdar, the former Chief Minister of Punjab, hails from Taunsa Sharif, a city in the Dera Ghazi Khan district of Punjab, Pakistan.

He served as the Chief Minister of Punjab from August 20, 2018, to April 30, 2022.

Explanation

Lemons are a good source of vitamin C.

It is a powerful antioxidant that supports immunity.

They helps the body absorb iron, and protect cells from damage.

Explanation

Water has a unique property where its density is highest at around 4°C, making it denser than ice (which is solid water)

And the other options like benzene and chloroform at most temperatures. 

Ice is less dense than water: This is why ice floats on water. 

Density definition: Density refers to how much mass is packed into a given volume

Explanation

A biopsy involves removing tissues from a living body for examination to diagnose diseases, such as cancer.

It can be performed on tissues from humans or animals, depending on the context of the medical investigation.

Explanation

• Erosion is the process of wearing away or removal of topsoil, rock, or other materials from the Earth's surface by natural forces such as wind, water, or ice.
• It is a natural process that shapes the landscape and can lead to the loss of fertile soil, landslides, and other geological changes.

Explanation

• 'Ornithologist' is a person "who specializes in the study of birds".
• 'Biologist' is a person who studies biology.
• 'Naturalist' is a person who studies and knows a lot about plants and animals.
• 'Zoologist' is a person who scientifically studies animals.