Explanation

"Broken down" means weakened or deteriorated, often due to stress or excessive work.

In this sentence, it indicates that his health has worsened because of hard work.

Explanation

Original Sentence: Direct speech (interrogative).

Indirect Speech Rules:

• Reporting Verb: "said to" → "asked" (for questions).
• Inversion Removed: "Did you not" → "if she had not".
• Tense Change: Past simple (did) → Past perfect (had).

Explanation

Motion occurs when a body changes its position relative to another body or its surroundings.

It can be described in terms of displacement, velocity, and acceleration.

Explanation

Explanation

"Few" is an indefinite pronoun because it refers to an unspecified number of people.

Indefinite pronouns do not point to any particular person or thing, e.g., few, some, many, several.

Explanation

• When an object reflects all the component colors of light, it appears white.
• This is because the object is reflecting all the wavelengths of visible light, which are then perceived by our eyes as white.
• If an object absorbs all seven colors of light (i.e., all the wavelengths of visible light), it appears black.

Explanation

RASH means جلدی

Delay means تاخیر

Explanation

A standard 400-meter oval track usually has 8 lanes in most professional and Olympic-level competitions.

Each lane is about 1.22 meters wide, ensuring fair distance for all runners.

Explanation

Magnesium Sulphate (Epsom salt) is a common laxative that helps relieve constipation by drawing water into the intestines.

It works by softening stool and promoting bowel movements when taken in proper dosage.

Explanation

Curriculum development involves the complete process of designing, implementing, and evaluating the curriculum.

It includes planning the content, teaching methods, assessing learning outcomes, and making improvements based on feedback.