oceans

Question 1

what are the oceans

Answer 1

arctic
indian
atlantic
pacific
southern

Question 2

importance

Answer 2

helps keep the earths temperature stable as it absorbs heat from the sun and warms the atmosphere

Question 2

what is the ocean

Answer 2

a vast body of water that covers nearly three quarters of the earth

Question 3

more reasons for importance

Answer 3

removing carbon dioxide from the atmosphere and providing oxygen
source of food
collecting minerals
ocean transportation
swim water sports
generating renewable energy like wind solar

Question 4

threats

Answer 4

demand for seafood is high so foodstocks have been overfished and some species have disappeared
pollution with human waste

Question 5

coral reef

Answer 5

large structure made up of millions of tiny creatures

Question 6

what percent of all marine species do coraal reefs provide a home for

Answer 6

25

Question 7

how many coral species are there

Answer 7

over 2000

Question 8

what is the most well known and largest coral reef

Answer 8

the great barrier reef off the east coast of australia