Answer:
digestion
Explanation:
breaking down of food particles into smaller substance is known as digestion.
Answer:
between c. 95,000 and c. 20,000 years
Explanation:
I believe the answer is: Different scientists use different data for investigation.
I say that because different scientists have different equipment, ideas, and have different methods. I hope I was right and i hope it helped and i wasn't to late to answer this question.
