The correct answer is : D. Pleistocene epoch
The Pleistocene epoch lasted from about 2,500,000 years ago to 11,700 years ago. In this era, a lot of repeated glaciations happened on earth, since most of Earth's geographical surface is covered in Ice.
Geography is called the mother of all sciences due to its links and influences on a range of other scientific fields including biology, math, anthropology, geology, astronomy and chemistry
Answer:
United states probably has more junk food
Explanation:
-- so that other scientists can reproduce your experiment in their labs
-- so that when you go back and read your own experiment next year,
you'll be able to remember and understand what you did