underwater quiz 2021

what % of what is on earth

• 70%

• 3%

• 75%

• 25%

what do you do if you cant dive

• snorkeling

• cacth fish

• wacth

• none of above

are moutains underwater

• no

• yes

how many type of fish types are there

• 7

• 10

• 3

• 21

do all fish have bones

• no

• yes

is the ocean the largest ecosystem on earh

• yes

• no

how many zone are min the ocean

• 1

• 4

• 2

• 3

what % of water is salt

• 15%

• 3%

• 23%

• 75%

how old do you have to be to dive

• above 24

• above 12

• above 7

• above 18

the ocean is important

• false

• true