Pz indicate whether the phrase is true or false according to the information in the reading ¡to bolivia already!

quechua and aymara live along the shores of lake titicaca.
la paz is 1000 meters above the el alto airport.
lake titicaca is the highest navigable lake in the world.
it is very rare for a newcomer to have difficulty breathing in la paz.

C.lake titicaca is the highest navigable lake in the world

ancient india is often called the harappan civilization because one of the ancient cities was called harappa. harappa was just one of 1500 cities in the indus river valley. another well-known city is called mohenjo-daro. historians estimate ancient india to be the biggest of all four early civilizations.