Answer:
The study of ancient humans had changed over time as humans develop higher technology and more knowledge over time.
Explanation:
For example, Anthropogeny was discovered in the 1800s, and then people started learning new things and technology developed more.
Hopefully, this helps! :D
He was a United States Senator from Hawaii from 1963 to 2012. He was a member of the Democratic Party, and he was President pro tempore of the United States Senate (third in line in the Presidential Line of Succession) from 2010 until his death in 2012, making him the highest-ranking Asian American politician in U.S. history. Inouye also served as chairman of the U.S. Senate Committee on Appropriations.
There are multiple possible answers. One is that it's mouse droppings since mice like to eat it. Another is that it's bugs and this is dangerous since they can leave larva there. The third is that they are remaining residue traces from other types of oats that were ground together and in this case it is not that dangerous.