Understanding Concepts from the Video Tutorial

What is one potential problem of living in a house made of bread?

• It will be too expensive.

• It will attract rats.

• It will be too warm.

• It will attract birds.

Why is it not safe to eat moldy bread?

• It can contain harmful mycotoxins.

• It is too dry.

• It is too hard to chew.

• It tastes bad.

What is a common cause of allergies according to the hygiene hypothesis?

• Living in overly clean environments.

• Exercising too much.

• Eating too much sugar.

• Not drinking enough water.

What is one benefit of consuming fermented foods?

• They are low in calories.

• They are high in fat.

• They are easier to digest.

• They are high in sugar.

How do hormones function in the body?

• They attach to specific receptors on cells.

• They are stored in the liver.

• They are only active during sleep.

• They are produced by the heart.

What happens to our spine as we age?

• The bones become denser.

• It grows longer.

• The discs lose fluid and degrade.

• It becomes more flexible.

Why is dumping trash into volcanoes not practical?

• Volcanoes are too cold.

• Trash would float and spread during eruptions.

• Volcanoes are too far away.

• Trash would melt completely.

What role does nitrogen play in our atmosphere?

• It is only found in the ocean.

• It is a minor component.

• It is not essential for life.

• It helps maintain atmospheric pressure.

What is a potential consequence of low atmospheric pressure?

• Improved breathing.

• Headaches due to pressure differences.

• Stronger bones.

• Increased oxygen levels.

Why is nitrogen essential for life on Earth?

• It is a type of vitamin.

• It is a component of DNA and RNA.

• It is a form of protein.

• It is a source of energy.