PDF chapter test TRY NOW

6. True or False. If False, give the correct statement II

1. Whales come up to the water surface to breathe in oxygen.

The statement is

Whales does not come to the water surface to breathe oxygen
Whales only breathe dissolved oxygen in water

2. The balance of oxygen in atmosphere is maintained through photosynthesis in animals and respiration in plants.

The statement is

Oxygen balance is maintained through photosynthesis in plants and respiration in animals
Nitrogen balance is maintained through photosynthesis in plants and respiration in animals

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content