An anthropologist finds a fossil in africa that is 100,000 years old. to which species could the specimen belong?
a.) homo neanderthalensis
b.) homo habilis
c.) homo erectus
d.) homo sapiens

The correct answer is option D

During 300,000 years ago a drastic climatic change in Africa and led to the evolution of the Homo sapiens. Like other early human beings they evolved and responded to the changes that occurred during in the environment.

This helped them to survive in a better way. They had large brain as compared to other early humans and it kept on changing time to time which means the brain size kept on enlarging.

9.9 years

a = p(1 + rt) . . account balance after time t at rate r starting with principal p

3000 = 2500(1 + 0.0202t) . . filling in the given numbers

1.2 = 1 + 0.0202t . . divide by 2500

0.2 = 0.0202t . . . subtract 1

0.2/0.0202 = t ≈ 9.901

it will take about 9.9 years for the account balance to reach $3000.

not sure if this what   you'r looking for would be percent composition