Explanation

Singular noun: Leave 

Plural noun: Leaves 

Leave means پتہ

Explanation

Chlorophyll is a green pigment found in the chloroplasts of plant cells and is essential for photosynthesis

The process by which plants convert light energy into chemical energy to produce sugars from carbon dioxide and water.

Chlorophyll absorbs light energy, particularly in the blue and red regions of the visible spectrum,

While reflecting green light, giving leaves their characteristic green color.

This absorption of light energy by chlorophyll initiates the process of photosynthesis, allowing plants to produce their own food.

Explanation

The two most important factors in the climate of an area are temperature and precipitation.

Explanation

 In an early age of the world: primitive forms of life. 

Explanation

As we go higher in the atmosphere, atmospheric pressure drops and the air goes on getting thinner. That’s why mountain climbers sometimes need bottled oxygen to breathe. It becomes difficult to breath as the air is thinner.

Explanation

The air bubble in the water shines due to the phenomenon of total internal reflection

Explanation

The earth`s spin axis is tilted with respect to its orbital plane.

This is what causes the seasons. 

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Explanation

The ultraviolent rays are filtered through Ozone Layer.

The ozone layer, often known as the ozone shield is a part of the Stratosphere.

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Explanation

 Montreal Protocol is an international treaty designed to protect the ozone layer, agreed on 16 September 1987, and entered into force on 1 January 1989.

Explanation

Radish means مولی