Explanation

She asked him what he wanted.

In indirect speech, present tense "do you want" changes to past tense → "he wanted".

Question form changes to a statement structure without using "that".

Explanation

Professor Henry Corrie is the main character in the one-act play "Progress" by St. John Ervine.

The play explores the ethical conflict of scientific invention versus its destructive use in war.

Explanation

In uniform circular motion, instantaneous velocity is tangent to the circular path.

Instantaneous acceleration (centripetal) is directed toward the center, making the two vectors perpendicular to each other.

Explanation

The subject is "The number" (singular), so the verb should be "was" (not "were").

Corrected sentence:

"The number of candidates who appeared in the CSS examination this year was very large."

Explanation

وائي سنڌي ادب جي لوڪ گيتن مان هڪ مشهور صنف آهي۔

اها عام طور تي عوامي روايتن، ڏکن، سکن ۽ احساسن جو اظهار هوندي آهي۔

Explanation

The correct phrase is "across the street", meaning on the opposite side.

Across can be used as a preposition.

It indicates movement or position from one side to the other of something with boundaries, like a road, river, or room. 

Explanation

Thyroid Hormone Deficiency in Children:

In children, insufficient thyroid hormone (hypothyroidism) leads to cretinism, characterized by:

• Stunted physical growth (short stature).
• Delayed mental development (intellectual disability).

Explanation

Genetic Material in Viruses:

Viruses can have either DNA or RNA as their genetic material, but never both in the same virus.

Examples:

DNA viruses: Herpesvirus, Smallpox.

RNA viruses: HIV, Influenza, SARS-CoV-2.

Explanation

When water freezes, it forms an open hexagonal structure due to hydrogen bonding.

This structure makes ice less dense than liquid water, which is why ice floats on water.

Explanation

"Twenty Minutes with Mrs. Oakentubb" is a short story written by Frank Arthur.

It is a suspenseful dramatic piece often used in English literature and performance studies.