Which of the Following Substances May Be Ice Nuclei

question 68

Multiple Choice

Which of the following substances may be ice nuclei?

• A)polycarbonates
• B)certain clay minerals
• C)metamorphic crystals
• D)bacteria in living plant leaf material

---

Definitions:

Carbonic Acid

A weak acid formed in solution when carbon dioxide dissolves in water, playing a crucial role in the carbon cycle and the acid-base balance in blood.

Calcium Carbonate

A chemical compound with the formula CaCO3, found in rocks as the minerals calcite and aragonite and is the main component of shells of marine organisms, snails, and eggs.

Greenhouse Gases

Gases in Earth's atmosphere that trap heat, contributing to the greenhouse effect and global warming.

Fossil Fuels

Natural fuels such as coal, oil, and natural gas, formed from the decayed remains of plants and animals over millions of years.