Explanation

Nimbo-stratus clouds are most likely to cause heavy rainfall.

These are thick, dark, and low-lying clouds that often cover the sky. 

They are associated with continuous, steady precipitation.

Explanation

The age of a tree is determined by counting its growth rings.

They are visible in the cross-section of the stem.

Each ring represents one year of growth.

Explanation

The ozone layer lies about 12 to 50 km above Earth’s surface, mainly in the stratosphere.

It protects life by absorbing the Sun’s harmful ultraviolet (UV) rays.

Explanation

Acid rain is mainly caused by emissions of Sulfur dioxide and Nitrogen oxide in the atmosphere.

Acid rain mainly Causes health problem like Asthma.

Explanation

Solar energy is created by nuclear fusion that takes place in the sun.

Fusion occurs when protons of hydrogen atoms violently collide in the sun's core and fuse to create a helium atom.

This process, known as a PP (proton-proton) chain reaction

**

ND17-1-2023

Explanation

Grass is a tree which means بانس 

Bamboo is mostly found in Asia, Africa, South America, and parts of North America

Bamboo releases 35% more oxygen than hardwood forests of equivalent sizes

• Bamboo is the fastest-growing plant. 
• Bamboo blossoms once a lifetime of a human.
• Bamboo can thrive without much care. 
• Bamboo is the world's tallest grass. 
• Bamboo can live for a century or more.
• Bamboo has been used as an alternative building material for centuries.

SH10-8-2023

Explanation

Color of Rianbow:

The colors of the rainbow are:

1. Red
2. Orange
3. Yellow
4. Green
5. Blue
6. Indigo
7. Violet.

Explanation

Bernoulli’s Principle explains that faster airflow over the wings creates lower pressure, producing lift that keeps the airplane in the air.

Explanation

N₂ makes up about 78% of Earth’s atmosphere.

It is inert, non-toxic, and non-polluting.

NO, CO, and N₂O are harmful gases that contribute to air pollution and environmental problems.

Explanation

Osmosis is the movement of water molecules through a semipermeable membrane from an area of higher water concentration to lower concentration.

It is a vital process in biological systems for maintaining cell balance.