Panthalassa was

the supercontinent that formed before pangaea

one of the continents that formed from pangaea

the large ocean that surrounded pangaea

a body of water cut into the eastern edge of pangaea

Place the steps tor the formation of the enzyme pepsinogen in correct order

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.