Read the text and answer the multiple-choice question by selecting the correct response. Only one response is correct.
According to the passage, a significant human impact on the Tasmanian environment first began __________
a little over 200 years ago and was caused by Aboriginal people. some 30,000 years ago with the arrival of Aboriginal people. a little over 200 years ago with the arrival of British settlers. a little over 200 years ago with the arrival of British settlers. some 30,000 years ago with the arrival of British settlers.