Explanation

The Equator is the reference line for latitude and is defined as 0° latitude.

It dividing the Earth into the Northern and Southern Hemispheres.

Explanation

A meteoroid is a small rocky or metallic body in outer space.

Bodies that usually fall from the sky to the Earth are called Meteorites.

These are small particles from space that enter Earth's atmosphere and survive to land on its surface.

Explanation

The constellation of seven bright stars known as the Great Bear is Ursa Major, which also includes the Big Dipper asterism: 

Name:

The Latin name Ursa Major means "greater (or larger) bear". 

Size:

Ursa Major is the third-largest constellation in the sky and the largest in the Northern Hemisphere

Explanation

• A newborn infant has about 300 bones.
• It fuse to form the 206 bones typical in adults.
• The human skull has 22 bones.
• The hand contains 27 bones.

Explanation

The human brain weighs approximately about 1.4 kilograms or 1400 in gram

and makes up about 2% of the human body weight.

The brain is divided into three regions -

Forebrain,

midbrain, 

hindbrain.

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

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

John Logie Baird, a Scottish inventor, is best known for inventing the world's first working television system in the 1920s.

He revolutionizing communication and entertainment.

Explanation

The process of applying a zinc coating to iron or steel to prevent rusting is called galvanizing.

This helps protect the metal from corrosion.

Explanation

Photosynthesis in plants occurs faster in white light.

Because it contains all the wavelengths necessary for the process.