Tree ring dating a. can only be used in the Southwest. b. reflects dry and wet years in the tree rings. c. can only be used if you already know the date. d. can only be used on trees less than 500 years old. Please select the best answer from the choices provided A B C D

What was the underlying cause of the cold war?

Which of the following statements about the fugitive slave act of 1850 is not accurate. a. marshals who refused to arrest a suspected fugitive could be fined $1,000. b. slave owners had to present evidence that an african american in the north was a fugitive slave. c. any person who provided food or shelter to a fugitive slave could be find $1000 and placed in jail for six months. d. it required all federal marshals to arrest any african-american suspected of being a runaway slave.

Why were the chang and xi rivers important to china’s development? a. they keep invaders out. c. they kept china isolated. b. they provided a route for ships to travel inland. d. they provided boundaries for the different political sections