Explanation

A compound sentence consists of two independent clauses joined by a coordinating conjunction (but in this case).

"I waited for the bus" and "it was late" are both independent clauses, making the sentence compound.

Explanation

Aerobic exercise requires oxygen to generate energy, improving cardiovascular endurance.

Examples include running, swimming, and cycling, which help strengthen the heart and lungs.

Explanation

Vitamin K is essential for blood clotting.

Its deficiency can lead to excessive bleeding (haemorrhage).

It helps produce clotting factors in the liver, preventing uncontrolled bleeding.

Explanation

The BRT project started in October 2017.

Built at a cost of Rs 70 billion.

It features a 27.5 kilometre-long corridor track.

Includes 31 stations along the main route.

Has 7 feeder routes stretching 62 km.

These feeder routes include 146 stops.

The system is designed to facilitate thousands of passengers daily.

Explanation

Medicine in a teaspoon is measured in milliliters (mL) as it is a small liquid quantity.

A standard teaspoon holds approximately 5 mL of liquid.

Explanation

Cytosine is found in both DNA and RNA, but uracil is unique to RNA.

In RNA, uracil replaces thymine, pairing with adenine during transcription.

Explanation

100 grams of cooked white rice contains approximately 360 kcal, depending on the variety.

Rice is a major carbohydrate source, providing energy for daily activities.

Explanation

"Class" is a collective noun because it refers to a group of students.

"School" and "Garden" are common nouns.

Explanation

Wave velocity is the distance a wave travels per second in a given medium.

It is calculated as Velocity (v) = Frequency (f) × Wavelength (λ).

Explanation

سہیل بن عمرو اپنے بیٹے کو دیکھ کر کہنے لگا کہ اے محمد ! (صلی اللہ تعالیٰ علیہ وسلم) اس معاہدہ کی دستاویز پر دستخط کرنے کے لئے میری پہلی شرط یہ ہے کہ آپ ابو جندل کو میری طرف واپس لوٹایئے۔