Explanation

• The Holy Prophet (SAW) performed Hajjat-ul-Wida in the 10th Hijri.
  
• It was performed on Friday, the 9th of Dhu al-Hijjah (March 6, 632 A.D).
• This final pilgrimage included his renowned Farewell Sermon.

Last verified on 01-04-2026

Explanation

Current President: Lula da Silva

Replaced: Jair Bolsonaro

Presidential Number: 39th

Term Started: 1 January 2023

Political Party: Workers’ Party

Previous Presidency: 35th President (2003–2011)

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Last verified on 17-01-2026

Explanation

A lock is a device used for raising and lowering boats,

ships and other watercraft between stretches of water of different levels on river and canal waterways.

Explanation

Desalination is the process by which the dissolved mineral salts in water are removed.

Explanation

Studies have shown that the shape and size of the foundation pit have a significant influence on deformation and stability.

Explanation

The admixtures slow down the initial rate of hydration of cement or prolong the setting of cement paste in concrete.

Retarding admixtures are frequently required in hot weather conditions to facilitate delaying the setting time

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Explanation

The finite element method (FEM) is a popular method for numerically solving differential equations arising in engineering and mathematical modeling.

Explanation

Water reuse is the method of recycling treated wastewater for beneficial purposes, such as agricultural and landscape irrigation, industrial processes, toilet flushing, and groundwater replenishing

Explanation

Many practical and proprietary methods exist to avoid plastic shrinkage cracking, including various curing methods, power floating, the use of cold water, shrinkage reducing admixtures, and fibres.

Covering concrete with plastic sheets or wet burlap is the most common practical concrete curing method.

Explanation

Ground water recharge includes recharge as a natural part of the hydrologic cycle and human-induced recharge, either directly through spreading basins or injection wells, or as a consequence of human activities such as irrigation and waste disposal.