Reading insight 2- (Unit 8)
Help
What is the main idea of the passage ?
The coral reefs are amazing marine animals worlds.
What did scientists think for thousands of years ?
Corals were underwater plants.
What are coral reefs made of ?
They are made of living and dead coral skeletons.
Unlock this slideshow and over 2 million more with Baamboozle+
Try slideshows
Your experience on this site will be improved by allowing cookies.
Allow cookies