Which Is Frozen Subsurface Water in Regions of Permafrost

question 4

Multiple Choice

Which is frozen subsurface water in regions of permafrost?

• A)Talik.
• B)The active layer.
• C)Ground ice.
• D)Periglacial water.

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Definitions:

Common Cold

The common cold is a viral infectious disease of the upper respiratory tract that primarily affects the nose.

Influenza

An extremely infectious virus that targets the respiratory tract, widely referred to as influenza.

Allergy

An immune system response to a foreign substance that's not typically harmful to the body.

Chronic Obstructive Pulmonary Disease

A group of lung diseases that block airflow and make it difficult to breathe, including emphysema and chronic bronchitis.