Understanding Everyday Phenomena

What are some common triggers for mouth ulcers?

• Accidental bites and spicy foods

• Cold weather and high altitudes

• Loud noises and bright lights

• Excessive exercise and dehydration

Why is it difficult to develop a single treatment for the common cold?

• The cold is a bacterial infection

• The cold is caused by a single virus

• Viruses causing colds mutate quickly

• Antibiotics are effective against colds

What is a safe practice to prevent hearing damage when using headphones?

• Listening at maximum volume

• Following the 60x60 rule

• Ignoring any ear discomfort

• Using headphones for unlimited time

Why do commercial airplanes fly in the lower stratosphere?

• For better fuel efficiency

• To avoid air traffic

• To increase passenger comfort

• To reduce flight time

What can cause snoring during sleep?

• Nasal congestion and excess weight

• Sleeping on your side

• Drinking water before bed

• Sleeping in a noisy environment

Why might a cough worsen at night?

• Lack of sleep

• Lying down can cause mucus accumulation

• Increased physical activity

• Higher temperatures at night

What is a reason a cat might meow frequently?

• To mimic human speech

• To scare away intruders

• To express boredom or need for affection

• To indicate they are tired