The mississippi river is a physical feature as it was discovered during a time where man weren`t capable of such construction in the earth.
Papua New Guinea is located on the island of New Guinea (which is shares with Indonesia). The whole island is located North of Australia, which means that Australia is located South of both the island and the country located on it - so the entire statement is true.
Similarities
- both contain H and O
- both are compounds , (different types of atoms)
- both are formed from covalent bonds and non metals