Explanation

About Jupiter

It is the heaviest planet in our solar system

It is the largest planet in our solar system

It rotates about once every 10 hours

It has 79 satellites

It is the fifth planet 

It is larger than the earth 

Explanation

Joseph Priestley discovered laughing gas (nitrous oxide) in 1772.

It was later studied for its anesthetic properties.

Explanation

Benjamin Franklin invented the lightning rod, a device used to protect buildings from lightning strikes.

He made this invention in 1752 as part of his experiments with electricity.

Explanation

Robert Watson-Watt was a Scottish engineer and inventor who is credited with developing the first practical radar system.

He demonstrated the first radar system in 1935.

He was knighted in 1942 for his contributions to the development of radar technology.

Radar (Radio Detection and Ranging) is a system that uses radio waves to detect and locate objects, and it played a crucial role in World War II.

Explanation

During a fever, the increased body temperature can interfere with the normal functioning of the taste buds, leading to a reduced sense of taste or altered taste perception.

This is because taste buds function optimally at a normal body temperature, and fever can disrupt this balance.

Explanation

Seaweed is one of the best sources of iodine, and kelp is the most common type of seaweed harvested for food

Explanation

Petroleum, natural gas & coal are called non-renewable energy sources.

The most popular renewable energy sources currently are:

1.      Solar energy

2.      Wind energy

3.      Hydro energy

4.      Tidal energy

5.      Geothermal energy

6.      Biomass energy

RK12-12-2022

Explanation

Rene Laennec, a French physician, invented the stethoscope in 1816.

He created the first stethoscope using a wooden tube that allowed him to listen to the heart and lungs of a patient without placing his ear on their chest.

Explanation

The main driver of climate change is the greenhouse effect.

Some gases in the Earth's atmosphere act a bit like the glass in a greenhouse, trapping the sun's heat and stopping it from leaking back into space and causing global warming.

Explanation

Tooth enamel is the white, visible part of the tooth and it is also the hardest part of the human body.

 The main mineral composition is hydroxyapatite, a crystalline of calcium phosphate.