You Collect and Measure Samples of Ice and Surrounding Ice

question 26

Multiple Choice

You collect and measure samples of ice and surrounding ice water from a stream in the Winter.You find that you collected the same number of water molecules in each form.Water in the ice (solid) form floats in water of the liquid form because

• A) in the ice form, the same number of water molecules are found in a crystal form, yet total larger volume than the liquid water.
• B) in the ice form, the same number of water molecules are found in a solid, more compact volume than the liquid water.
• C) once the water molecules froze into ice, they became hydrophobic, and started repelling from the liquid.
• D) the ice is actively melting, since it was surrounded by the liquid water in the stream where it was collected.

---

Definitions:

Alveolar Walls

Thin layers of tissue that form the structure of the alveoli in the lungs, crucial for gas exchange.

SOB

An abbreviation for shortness of breath, indicating difficulty in breathing.

Arterial Blood Gases

A test that measures the levels of oxygen and carbon dioxide in arterial blood, used to assess lung function and oxygenation.

Hoarseness

A voice abnormality characterized by changes in vocal clarity and tone, often due to irritation or infection of the vocal cords.