Type the number

Exercise and reference answers

Questions

1. Answer

   10

   Question

   Years ago, in thousands, that agriculture began

2. Answer

   1856

   Question

   Year the Neander valley skull was found

3. Answer

   1859

   Question

   Year Darwin published On the Origin of Species

4. Answer

   1250

   Question

   First-print copies of Darwin's book sold in a day

5. Answer

   40

   Question

   Years the Leakeys worked at Olduvai, over

6. Answer

   160000

   Question

   Years ago modern humans originated

Instructions

Type the number only.

Explanation