A) Sunburn
B) Mosquito bites
C) Decompression sickness
D) Altitude sickness

A) Certifications from recognized agencies
B) No training needed
C) Only online courses
D) Free diving courses

A) Water currents
B) Fine particles on the cave floor
C) A type of underwater plant
D) Large rocks

A) Water temperature
B) Bird species
C) Density of trees
D) Frequency of rainfall

A) To correctly orient the dive
B) To allow nitrogen to leave the body
C) To eat food
D) To check equipment

A) Claustrophobia
B) Acrophobia
C) Agoraphobia
D) Nyctophobia

A) Heavy weights
B) A diving bell
C) A dive buddy
D) A snorkel

A) Standard Operating Procedure
B) Specialized Oxygen Protocol
C) Simple Operational Plan
D) Safety Operation Plan