Explanation

Transistors were invented in 1947 at Bell Labs by Bardeen, Brattain, and Shockley.

This invention revolutionized electronics and led to modern computers.

Explanation

The data copying process from a server to a personal computer is called:

• Downloading / a download
• Reverse (PC → server) = uploading

Explanation

animal and its child relation have been shown.

The young of humans is called the child.

The young lion is called a cub

Explanation

"Mr." and "English" are capitalized because they are proper nouns.

"Teacher" is not capitalized because it's a common noun in this context.

Explanation

"Put off" means to postpone or delay something.

Put off means بند کرو

Explanation

Explanation

Corrosion occurs at the anode, where the metal undergoes oxidation,

Losing electrons and deteriorating into ions.

This process is the result of an electrochemical cell. 

In this fundamental mechanism, the anode facilitates the loss of electrons and the cathode facilitates the gain of electrons.

Allowing the overall chemical reaction of corrosion to proceed. 

Explanation

Hatf IX (Nasr):

A short-range, surface-to-surface ballistic missile system.

Serves as a tactical nuclear weapon for battlefield use.

Developed by Pakistan’s National Development Complex (NDC).

Designed to counter advancing armored formations.

Can carry low-yield nuclear or conventional warheads.

Operational range is approximately 70 km.

Explanation

In the Farewell Sermon, the Prophet (SAW) declared all blood feuds of the Jahiliyyah abolished.

This ended the cycle of tribal revenge and promoted peace and justice.

Explanation

A right circular cylinder of radius r cm and height h cm (h > 2r) just encloses a sphere, which means the sphere is inscribed in the cylinder.

The diameter of the sphere is equal to the diameter of the circular base of the cylinder, which is 2r cm.