Explanation

Explanation

Explanation

A device that is used to convert AC voltage into DC voltage is called A Rectifier.

Inverters and rectifiers are electronic circuits that can change the type of electric current.

a rectifier converts AC to DC.

Explanation

Meter is the SI unit of length.

It is used to measure distance or height.

Explanation

The cranium is the bony structure that encloses and protects the human brain.

It is also known as the skull.

It forms the upper part of the skull.

It providing a protective casing for the brain.

Explanation

Explanation

• The greenhouse effect is an environmental problem caused by the increasing amount of carbon dioxide (CO2) in the atmosphere.
• Primarily due to human activities such as burning fossil fuels, deforestation, and land-use changes.
• This excess CO2 traps heat and leads to global warming and climate change.

Explanation

The cell was first coined by an English scientist Robert Hooke in the year 1665.

Later the cell theory was given by Matthias Schleiden and Theodor Schwann.

Explanation

• The nervous system is the body system that controls and coordinates the functions of all other organ systems.
• It allowing for integration and regulation of various bodily functions.
• It consists of the brain, spinal cord, nerves, and sensory organs.

Explanation

Gregor Mendel (from Austria) is called the Father of Genetics for his experiments on pea plants.

He discovered the basic principles of heredity and inheritance through his work.