Explanation

• Humidity in the air was measured by a Hygrometer.
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• A hygrometer is an instrument used to measure relative humidity.
• Humidity is the measure of the amount of moisture in the air.
• A psychrometer is an example of a hygrometer.
• hygrometer.
  
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• The humidity in the air tells us about the ratio of Water vapors in the air

Explanation

Aluminum is the most abundant metal in the Earth's crust.

It comprising about 8% of its weight.

It is primarily found in the form of bauxite ore.

Explanation

The theory of relativity usually encompasses two interrelated theories by Albert Einstein:

special relativity and general relativity, proposed and published in 1905 and 1915

E =mc2

 C in this equation Velocity of light

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Principle of Theory of relativity

ND27122022

Explanation

The longest bone is the Femur (thigh bone) and the shortest one is the Stapes (one of the 3 small bones inside the ear).

The largest and broadest is the hip bone or pelvis.

The lowest part of the backbone called the sacrum

The smallest bone is the stirrup (stapes) 

The strongest bone for its size is the lower jaw or mandible.

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Explanation

Venus

Eight planets in the solar system

Explanation

Graphite is a crystalline form of the element carbon.

It consists of stacked layers of graphene.

Graphite occurs naturally and is the most stable form of carbon under standard conditions.

Explanation

Sodium chloride, commonly known as table salt, is an ionic compound with the chemical formula NaCl,

representing a 1:1 ratio of sodium and chloride ions

Formula: NaCl

Explanation

A sphygmomanometer also known as a blood pressure monitor.

It is a device used to measure blood pressure.

A normal blood pressure level of 120/80 mmHg.

High-normal: 130 to 139 mmHg

High: Greater than 140 mmHg

while

mmHg stands for "Millimeter of Mercury"

Explanation

CNG stands for Compressed Natural Gas

Methane is the main component of CNG 

the modern use of CNG as a fuel source began in the 1930s,

American physicist Dr. J.P. Farley discovered that natural gas could be compressed to a high-pressure 

natural gas became a transport fuel during the First World War

Explanation

All plants move Anticlockwise around Sun.

All plants move anticlockwise around their axis.

Earth rotates its axis from West to East.