enviroment

• Area orientation dives should always be taken when

  • You dive a new area for the first time

  • When you are not diving with a usual buddy

  • You don't need an orientation, it will be an easy dive

  • When you want to dive deep

How can aquatic injuries can happen?

• Divers provoke the animals and the animal is protecting itself

• the diver accidentally knocks into something

• Animals are always aggressive underwater

• Both A and B are correct

Can an Open Water 20 diver go into an overhead environment?

• Only if there is a large exit at the other end

• Only if diving with a buddy who is qualified to do so

• If diving with any instructor or divemaster

• Never as additional training is required

Fish are cold blooded vertebrates that

• Only breathe with Gills

• Have skeletons made of true bone or cartilage

• Have expanded to about 20 000 species worldwide

• All of the above

Sharks in general

• have cartilaginous skeletons

• have 5 to 7 gill slits on either side of their head

• interact peacefully with divers if unprovoked

• All of the above

Why would you choose to complete a night/low viz dive in the next level programme?

• To see different behavioural patterns of marine life at night

• To gain a qualifying dive for night / low visibility Specialty

• To learn and experience a different environment

• All of the above

What is a drift dive?

• Diving in a current which carries you along the reef

• Diving in water that moves you from side to side only

• Diving where there is no water movement

• None of the above

) When considering a shore entry dive with your buddy, what is the most important factor to consider?

• Communication and hand signals are discussed with your buddy

• Make sure you know where the entry is so you can exit from the same place

• Always take fresh water to wash the kit in after the dive

• Ensuring you dive at low tide in every location

What is the best environmental rule to follow when diving?

• Only take what is dead

• Only take pictures and memories, nothing else

• Only take what you can catch by hand

• Only take what you can catch with a spear gun

OW20 When diving underwater objects appear how much closer?

• 10%

• 25%

• 50%

• 75%