How many years of cumulative evolution separate chimpanzees from humans? Group of answer choices 7-8 million years 2-3 million years 130-140 million years 130-140 thousand years 14-16 million years

7-8 million years

Explanation:

There is many scientific evidences present from which scientists concluded that the humans evolved from chimpanzees about 7-8 million years and the ability to walk on two legs evolved about 4 millions year ago. There are a variety of physical and behavior changes occurred in the human while evolving from apes or chimpanzees. It takes millions of years to change occurs in the DNA of an organism.

the correct answer is 2 and 4