Explanation

The Central Nervous System (CNS) comprises the:

• Brain, which processes information.
• The spinal cord, which relays messages between the brain and the body.
• The nerves, which transmit signals throughout the body.

Explanation

Origin of species using Natural Selection was the work of Charles Darwin.

It was published on 24 November 1859,

..

Charles Darwin's discoveries included.

four different species of giant ground sloth (some of the largest land mammals ever to have lived), a gomphothere,

and the remains of an extinct horse.

ND16-8-2023

Explanation

The Home key is used to move the cursor to the beginning of a line.

This key quickly positions the cursor at the start of the current line of text.

Explanation

Goiter is caused by iodine deficiency.

It results in an enlarged thyroid gland.

Iodine deficiency can cause mental retardation in children.

Particularly if the deficiency occurs during fetal development or early childhood.

This is because iodine is essential for brain development and thyroid function.

The effects of the thyroid come from two iodine-containing hormones.

Explanation

• Chlorofluorocarbons (CFCs) are a type of synthetic compound that was widely used as refrigerants, propellants, and solvents.
• They are also responsible for the depletion of the ozone layer, which protects the Earth from harmful ultraviolet (UV) radiation.
• CFCs can rise to the stratosphere, where they are broken down by ultraviolet radiation, releasing chlorine atoms that catalytically destroy ozone molecules (O3).

Explanation

The 'Enhanced Partnership with Pakistan Act of 2009

also known as the Kerry-Lugar-Berman Act

It was passed by the US Congress on 24 September and signed by President Obama on 15 October.

This bill provides Pakistan with a non-military aid package of US$1.5 billion annually, for the next five years

It was proposed by Senators John Kerry (D-Massachusetts) and Richard Lugar (R-Indiana).

Explanation

Remove paragraph formatting.                 Ctrl+Q

Apply single spacing to the paragraph. Ctrl+1

Apply double spacing to the paragraph. Ctrl+2

Apply 1.5-line spacing to the paragraph. Ctrl+5

ND1-5-2023

Explanation

CPU stands for Central Processing Unit

**

CPU is an example of hardware

A CPU contains  A control unit and an arithmetic logic unit

The CPU and memory are located on Motherboard.

The motherboard holds CPU, RAM and ROM chips, etc.

**

 Buses are connections or gateways between the CPU and other devices.

**

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agm.04.03.23

ND23-4-2023

VU FIA CBT  14-12-2021

Explanation

dormant means: غیر فعال

active means: فعال

Explanation

For gas welding, a head of oxygen and acetylene are used for the process.

The required high temperature in the oxyacetylene welding process is obtained utilizing a mixture containing oxygen and acetylene gas. 

This process can also be used for cutting several materials.

Oxyacetylene: denotes welding or cutting techniques using a very hot flame produced by mixing acetylene and oxygen.