A Large Dune Type Is the _______ (Or Seif) Dune

question 9

Multiple Choice

A large dune type is the _______ (or seif) dune, which forms a ridge parallel to prevailing wind direction.

• A) barchan
• B) transverse
• C) parabolic
• D) longitudinal
• E) moon

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Definitions:

Allergy

A hypersensitive reaction of the immune system to specific substances, known as allergens, which are harmless to most people.

Nasal Discharge

A common symptom involving fluid that flows from the nose, often due to allergies, colds, or infections.

Common Cold

A viral infection of the upper respiratory tract that is characterized by symptoms such as sneezing, sore throat, coughing, and a runny nose.

Influenza

A viral infection that attacks the respiratory system, commonly known as the flu, which can be serious or even fatal in vulnerable populations.