Understanding Snoring, Oxygen, and Material Transformations

What is one reason why people might snore more as they age?

• They sleep less.

• Their throat muscles weaken.

• They breathe faster.

• Their nose becomes larger.

If Earth lost its oxygen, what would be one immediate consequence for plants?

• They would stop producing food.

• They would grow faster.

• They would produce more oxygen.

• They would become more colorful.

How does the ozone layer benefit Earth?

• It supports marine life.

• It provides warmth.

• It blocks harmful UV radiation.

• It increases rainfall.

What is a potential benefit of being made of glass?

• We would be invisible.

• We could reflect light.

• We would be indestructible.

• We would be lighter.

What is one effect of chocolate on the brain?

• It decreases memory.

• It increases stress.

• It improves mood.

• It causes sleepiness.