Explanation

T cells identify and destroy virus-infected or abnormal cells directly.

They also activate other immune cells by releasing signaling molecules called cytokines.

Explanation

The original sentence is in active voice (present perfect tense).

In passive voice, it becomes "My wallet has been taken away."

Explanation

A 6-digit number starts from 100,000, which is the smallest possible number with six digits.

Any number less than this has fewer than six digits.

Explanation

A formal dialogue is characterized by being polite and respectful.

It is often used in professional or official settings.

It follows established etiquette and avoids informal language or slang.

Explanation

Coaxial cables typically support data transmission speeds between 10 Mbps to 200 Mbps, used in cable TV and internet.

They are shielded and suitable for medium-speed data over longer distances than twisted-pair cables.

Explanation

اساطیر الاولین کا مطلب ہے پہلے لوگوں کی کہانیاں یا افسانے۔

قرآن میں یہ اصطلاح ان قصوں کے لیے آتی ہے جنہیں کفار نبی کی تعلیمات کے مقابلے میں بیان کرتے تھے۔

Explanation

Respecting the privacy of others falls under Professional Integrity, which includes honesty, confidentiality, and ethical behavior.

It reflects a teacher's commitment to moral principles in their professional role.

Explanation

Learning Objectives clearly define what students are expected to know or do after instruction.

They guide both teaching strategies and assessment methods to ensure desired outcomes.

Explanation

The Hubble Space Telescope is designed specifically for research and observation in space.

It captures images and data about stars, galaxies, and other celestial bodies to support astronomical research.

Explanation

This phenomenon is called persistence of sound or auditory memory.

The human ear retains the sensation of a sound for about 0.1 second (1/10) after the sound stops.