Explanation

Arachnids, such as spiders and scorpions, are distinguished by having eight legs, a characteristic feature of this class.

Explanation

Office memorandum دفتری یاداشت

Explanation

The sentence with a grammatical error is:

(A) The new employee, along with the rest of the team, were responsible for the project's failure.

Explanation:

• Error: The phrase "The new employee, along with the rest of the team," is singular because the subject "the new employee" is the main focus. The verb should be "was" instead of "were" to match the singular subject.

Corrected Sentence:

"The new employee, along with the rest of the team, was responsible for the project's failure."

Explanation

Marfoo ' hadeeth. This is a hadeeth in which words, actions, approval or a description are attributed to the Prophet (blessings and peace of Allah be upon him).

Hadith Qudsi are the sayings of the Prophet Muhammad (Peace and Blessings of Allah be upon him) as revealed to him by the Almighty Allah.

Explanation

The central atom of hemoglobin is iron, which binds to oxygen in the blood.

Hemoglobin is a protein in red blood cells responsible for transporting oxygen from the lungs to the rest of the body.

Explanation

When cyclohexane is oxidized with nitric acid (HNO₃), it typically yields adipic acid.

Adipic acid is a dicarboxylic acid with the formula C₆H₁₀O₄, and it is commonly used in the production of nylon. 

Explanation

Ferromagnetic materials are those that can be magnetized and retain their magnetization even after the external magnetic field is removed.

These materials have a high magnetic permeability and strong interactions between magnetic moments, which align in the same direction.

Explanation

This is done through an electrophilic attack on the aromatic ring with the help of a carbonation.

The Friedel-Crafts alkylation reaction is a method of generating alkylbenzenes by using alkyl halides as reactants.

The Friedel-Crafts alkylation reaction of benzene is illustrated below.

Explanation

Neural cells originate from the ectoderm layer of the embryo during early development.

As these cells differentiate, they give rise to various types of cells within the nervous system, including neurons (nerve cells) and glial cells (supporting cells). 

Explanation

Scholastic Assessment/Aptitude Test is a standardized test widely used for college admissions in the United States.