Question

Why did Earth's biodiversity diminish when Columbus and the Europeans came to the Americas? (I'm not sure if it's because Columbus and the Europeans came I'm struggling over here)

Answer 1

The Colombian exchanged greatly almost effected every society on earth

Answer 2

Answer:The Columbian Exchange greatly affected almost every society on earth,

Step-by-step explanation:

The Columbian Exchange greatly affected almost every society on earth, bringing destructive diseases that depopulated many cultures, and also circulating a wide variety of new crops and livestock that, in the long term, increased rather than diminished the world human population.