Explanation

 Surface tension acts like a "skin" on the water, pulling the molecules at the surface inwards, which naturally leads to a spherical shape as it minimizes the surface area

Explanation

Human bones do not contain Oxygen as a primary component

Human bones are primarily composed of calcium phosphate (Ca₃(PO₄)₂), which contains calcium (Ca) and phosphorus (P).

Bones also contain carbon (C) as they have organic components like collagen.

However, bones do not contain elemental oxygen as a distinct component,

Though oxygen is present in bone compounds (e.g., phosphates and carbonates).

Explanation

Sartorius is the longest muscle in a human body.

The stapedius muscle is considered the weakest and smallest skeletal muscle in the human body.

Explanation

Bauxite is the most important ore of aluminum which contains only 30–54% alumina.

The rest is a mixture of silica, various iron oxides,

and titanium dioxide along with trace amounts of zinc, phosphorous, nickel, vanadium etc.

Explanation

علم الحشرات، وہ علم جو حشرات کی ساخت سے تعلق رکھتی ہے

Entomology Insects: کیڑے مکوڑے یا حشرات 

****

Entomology is the study of insects and their relationship to humans, the environment, and other organisms.

RK12-12-22

Explanation

The part of the human body more prone to damage from the Hepatitis Virus is the Liver.

Hepatitis is an inflammation of the liver, caused by various hepatitis viruses (A, B, C, etc.).

It can lead to liver damage, cirrhosis, or liver cancer.

Explanation

All India Muslim League Founder: Nawab Khwaja Salimullah

All India Muslim League 1^st President: Sir Agha Khan

All India Muslim League Founded: 30 December 1906 at Dacca, British India (now Dhaka, Bangladesh)

All India Muslim League Headquarters: Lucknow

All India Muslim League Dissolved: 14 August 1947

جب 1947 میں مسلم لیگ ختم ہوئی تو یہ تین پارٹیاں بن گئی

1- Muslim League in Pakistan

2- Awami League in Bangladesh

3- Indian Union Muslim League in India

ND27122022

****

nd9-2-2023

ND19-3-2023

Explanation

An anemometer is an instrument that measures wind speed.

This type of anemometer has a spinning wheel.

Additional Information:

A hygrometer is an instrument used to measure humidity

A salinometer is used to measure the salinity

A bolometer is used to measure the power of incident electromagnetic radiation

A barometer is used to measure air pressure in certain environment.

Explanation

The speed of light is much faster than the speed of sound in air.

Light travels 186 thousand miles in 1 second.

While sound takes almost 5 seconds to travel 1 mile.

Explanation

• Deliquescence is the property of a substance to absorb moisture from the air on exposure.
• This resulting in the formation of a solution or a liquid.
• This occurs when a substance has a high affinity for water.
• It can absorb it from the surrounding environment.