Explanation

 "Meter per second" (m/s) is the standard unit of speed and velocity,

Indicating the distance traveled in meters throughout one second.

It measures how fast something moves (speed) and in what direction (velocity). 

Speed:

Speed is a scalar quantity, meaning it only describes the magnitude (how fast) of an object's movement, measured in meters per second. 

Velocity:

Velocity is a vector quantity, meaning it describes both the magnitude (how fast) and direction of an object's movement, also measured in meters per second. 

Explanation

 After independence, in 1947, the Pakhtoonistan stunt was raised in Khyber P.K. by Khan Abdul

Explanation

Solids have a high degree of elasticity, which means they can return to their original shape after deformation.

This property allows sound waves to travel more efficiently and quickly through solids

Because the particles are tightly bound and can transmit vibrations rapidly.

Explanation

VIPs are often protected by a combination of bulletproof jackets and shields.

This includes both soft and hard body armor, along with specialized shields that can be deployed quickly.

Bulletproof jackets, also known as bulletproof vests

Explanation

Originally published: 1965

Author: John Joseph Saunders

Explanation

 "Who" is used as the subject of a clause referring to people.

The clause "who wants a pen" describes "the one" — the person.

"Whom" is used for objects of verbs or prepositions.

"Whose" shows possession.

"Which" refers to things, not people.

Explanation

The sentence is in present continuous tense ("are telling"), so the passive form uses "is being told."

"You" becomes "by you" and "the truth" becomes the subject in the passive voice.

Explanation

'Dog' is the subject of the sentence — the one performing the action (barking).

Though the sentence starts with "There is," the real subject comes after the verb "is."

Explanation

 Blood comprises approximately 60% plasma and 40% blood cells (corpuscles),

Including red blood cells, white blood cells, and platelets. 

Explanation

The respiratory center, responsible for controlling breathing, is primarily located in the medulla oblongata and pons within the brainstem.