What tools do scientists use to date artifacts and fossil? ?

How do you imagine life would be without the invention of the typewriter? would computers have been invented?

What three political groups came out of the french revolution?

How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.