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

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

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

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

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

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

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

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