Which tool is used to predict the occurrence of tornadoes? O Saffir-Simpson scale

O enhanced Fujita scale

O levee

O Doppler radar

Which statement is the most accurately describes the reasons for the seven years war in north america

Why was the united states motivated to establish the open door policy? a. the policy guaranteed american commerce with china. b. the policy supported the chinese nationalist cause. c. the policy led to a gain of american colonies in asia. d. the policy claimed damages from the chinese.

What event, more than any other led to wwi?