DescriptionIguazú Falls or Iguaçu Falls are waterfalls of the Iguazu River on the border of the Argentine province of Misiones and the Brazilian state of Paraná. Together, they make up the largest waterfall system in the world. The falls divide the river into the upper and lower Iguazu.
I think how long and how often.
Answer:
Not much
Explanation:
Most that could happen with it will be that scientists may find a new evolution timeline in the animals we see today
Some of the factors would be introduction of non native species, pollution, overgrazing, chemical agents and habitat loss
