Explanation

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

They were proposed and published in 1905 and 1915

E =mc2

C in this equation, the velocity of light

Explanation

Milk is approximately 87% water and 13% solids.

The solids include fats, proteins, vitamins, and minerals.

Explanation

• Atmospheric pressure at sea level is 1 atm

Which equals:

• 101.325 kPa (1,013.25 hPa/millibars)
• 760 mmHg, or about 14.7 psi.

Explanation

Quarks are the smallest known particles in the universe.

They are the building blocks of protons and neutrons, which make up atomic nuclei.

They were discovered in the 1960s. 

They are considered the most fundamental units of matter.

Explanation

Explanation

pH stands for "Potential Hydrogen"

Blood is normally slightly basic, with a normal pH range of about 7.35 to 7.45.

Usually, the body maintains the pH of blood close to 7.40.

Acidosis is characterized by a pH of 7.35 or lower. Alkalosis is characterized by a pH level of 7.45 or higher.

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Explanation

On 11th August 1947 Quaid-i-Azam Muhammad Ali Jinnah was elected as the President of the Constituent Assembly of Pakistan.

The first session of the Constituent Assembly of Pakistan was held on 10th August 1947 at the Sindh Assembly Building in Karachi.

Liaquat Ali Khan headed after the death of Jinnah for three years and produced the Objectives Resolution.

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Explanation

A galaxy is a gravitational system of stars, star remnants, interstellar gas, dust, and dark matter.

Earth: diameter of approximately 12,742 kilometers (7,918 miles)

The Sun: diameter of approximately 1,392,684 kilometers (865,374 miles)

Solar System: diameter of approximately 9.2 billion kilometers (5.7 billion miles)

Galaxy (Milky Way): diameter of approximately 100,000 to 200,000 light-years (9.461 × 10^17 to 1.884 × 10^18 kilometers)

Explanation

The SI unit of temperature as per the International System of Units is Kelvin.

It is represented by the symbol  K.

Note:

Celsius is currently a derived unit for temperature in the SI system, Kelvin is the base unit.

Explanation

An enzyme is a biological catalyst and is almost always a protein.

Enzymes are organic catalysts. 

A large protein enzyme molecule is composed of one or more amino acid chains called polypeptide chains. 

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