Answer:
C) about 7
Explanation:
Being precise, the average digit span that George Miller found was 9.3. Unlike the average span for letters, which rounds the 7.3 digit. In his investigation, Miller tried to find empirical data for the short term memory using letters and digits. Later investigation showed that short term memory is around 15 o 30 seconds and is based on the repetition of the data trough an acoustic process named 'rehearsal'.
Rivers played a major role in the settlement of the West of the US in that places that contained rivers were much more likely to be settled--due to the fact that it was easier to transport both goods and humans.
Colder becuase of global warming
I'm pretty sure it's false because they didn't have factories in 1789 and when missions were built so ya I think it is false. Hope this helps! :D
