Which answer best describes the most widely held theory about how humans came to populate Earth?

They developed from different hominid species in different places over millions of years.
They traveled by boat from Africa to different continents.
They migrated over land from Africa over the last 80,000 years.
They migrated from the Americas to Africa four million years ago.

The most widely held theory about how humans came to populate Earth is that they developed from different hominid species in different places over millions of years.

Which answer best describes the most widely held theory about how humans came to populate Earth?

They developed from different hominid species in different places over millions of years.
They traveled by boat from Africa to different continents.
They migrated over land from Africa over the last 80,000 years.
They migrated from the Americas to Africa four million years ago.

The most widely held theory about how humans came to populate Earth is that they developed from different hominid species in different places over millions of years.

The most widely held theory about how humans came to populate Earth is that they developed from different hominid species in different places over millions of years.