Explanation

Explanation

On July 25, 1933, Roosevelt gave a radio address in which he coined the term "first 100 days." 

Explanation

Muhammad Waseem is a Pakistani-born cricketer who plays for the United Arab Emirates national cricket team. 

Born: February 12, 1994

Nationality: Emirati, Pakistani

Explanation

Fidel Castro was a Cuban revolutionary and politician who was the leader of Cuba from 1959 to 2008.

Born: August 13, 1926

Died: November 25, 2016

Explanation

Charles Darwin is often credited with "discovering" evolution.

He wrote about evolution from 1748 to 1859

It was the year when he published On the Origin of Species.

Explanation

Times New Roman and Arial are examples of font faces, or typefaces:

Times New Roman

• A transitional serif typeface designed by Stanley Morison and Victor Lardent for The Times newspaper in 1931.

Arial

• A sans-serif typeface designed by Robin Nicholas and Patricia Saunders in 1982.

Explanation

Antoine Henri Becquerel was an engineer, physicist, Nobel laureate,

First person to discover evidence of radioactivity.

 He belonged to France.

Explanation

Polio, or poliomyelitis, is a disabling and life-threatening disease caused by the poliovirus.

The virus spreads from person to person

and can infect a person's spinal cord, causing paralysis (can't move parts of the body).

***

The Polio vaccine was invented by___?

 Jonas Salk

Which country launched a polio vaccine drive after 1988 in April 2022?

 Israel

Explanation

The idiom once in a blue moon means on rare occasions or rarely.

Explanation

Television Radio Phones spread signals through Electromagnetic Waves

Sound travels at approximately 1,100 feet per second (766 miles per hour).

while

Radio waves travel at the speed of light, which is approximately 186,000 miles per second.