Explanation

A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.

Transistors are one of the basic building blocks of modern electronics.

Explanation

Radio waves frequency is measured in Hertz.

Hertz (Hz) quantifies the number of cycles per second of a radio wave.

This determining its frequency and position within the electromagnetic spectrum.

Explanation

Cape Drastic Beach is located in Greece.

It is known for its beautiful coastline and popular tourist attractions.

It offering stunning views and crystal-clear waters.

Explanation

The Northern Hemisphere is warming faster than the Southern Hemisphere.

Due to more landmass and higher population density.

It leading to increased carbon emissions and heat retention.

Explanation

You will need to open a browser to access a website.

A browser is the software that allows users to navigate and interact with websites on the internet.

Such as Chrome or Firefox.

Explanation

Both JPEG and GIF are popular image formats.

While MPG is used for video, which may involve graphics.

Thus, all three formats can be used for handling different kinds of multimedia.

Explanation

The U.S. president during the U-2 crisis was Dwight D. Eisenhower.

In 1960, a U.S. spy plane was shot down over Soviet airspace.

It leading to heightened Cold War tensions between the U.S. and the USSR.

Explanation

AstraZeneca, Pfizer, and Moderna are accepted in many countries around the world.

They have been authorized by organizations like the World Health Organization (WHO) and regulatory bodies in regions.

Such as North America, Europe, and parts of Asia.

Explanation

Explanation

Dr. Anita Zaidi is the first Pakistani woman to be elected to the US National Academy of Medicine in 2021.

She is recognized for her work in child health, vaccine development, and global health.