the plague first appeared around 20,000 years ago due to a flea that can be commonly found on rats?Group of answer choicesTrueFalse

Constantinople, due to the Black Plague, more than 25,000 people died in one day?Group of answer choicesTrueFalse

What region was last to be colonized by Homo sapiens about 20,000 years ago?Multiple choice question.AustraliaAfricaAsiaEuropethe Americas

When (millions of years ago) and where (geographic locations/sites) fossils of Homo erectus have been found

What name is given to the remains of organisms that lived many years ago, found in rocks?

The __________ suggests that during the Ice Age, an ice-free corridor opened between Siberia and North America around 12,600 years ago.