A group of students designed a science investigation. Which of the following data tables demonstrates the students understanding of reducing experimental bias in an investigation

the answer is a new goverment.

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.

sharecropper (you may punch em in the face if im wrong lol)