Explanation

He advised his friend to leave the town at once.

The sentence expresses a suggestion or advice in the form of a conditional, which turns into advice in indirect speech.

“If I were you...” typically implies giving advice.

Explanation

Coterminal angles have the same initial and terminal sides but differ by full rotations (360°, 720°, etc.).

Example: 30° and 390° are coterminal because 390° = 30° + 360°.

Explanation

Blue green algae (also called cyanobacteria) are prokaryotes, meaning they lack a true nucleus and membrane-bound organelles.

Unlike animals and plants (which are eukaryotes), their DNA floats freely in the cytoplasm.

Explanation

Psychology is the scientific study of behavior and mental processes (thoughts, emotions, etc.).

It explores how people think, feel, and act in different situations.

Explanation

Lungs remove carbon dioxide, a waste product of cellular respiration.

It is carried by the blood to the lungs and exhaled out of the body.

Explanation

According to Behavior learning theory, motivation is seen as a consequence of reinforcement, where behaviors are shaped and maintained by rewards or punishments.

Reinforcement strengthens the likelihood of a behavior being repeated, thus driving motivation.

Explanation

Beneficial bacteria in the large intestine, especially E. coli, help synthesize Vitamin K.

This vitamin is essential for blood clotting and maintaining bone health.

Explanation

Vaccination involves introducing weakened or dead forms of pathogens into the body.

This helps the immune system recognize and fight the real pathogen in the future.

Explanation

For effective communication, the message should be appropriate, meaning it is clear, relevant, and tailored to the audience.

Being appropriate ensures the message is understood correctly and serves its purpose.

Explanation

Obedience is the most critical trait for a student because it ensures:

Respect for rules: Follows classroom discipline and institutional guidelines.

Effective learning: Adheres to teachers’ instructions, enabling structured education.

Foundation for other virtues: Responsibility, truthfulness, and cooperation stem from a disciplined mindset.