Which of these advances did Han scientists make? Select all that apply. A: developed the concept of zero
B: devised the base-20 number system
C: created more accurate calendars
D: invented the compass
PLZ HELP QUICK IM DOING THE TEST RN

3795

Explanation:

because if you use Q=P x W you well need ti find Q so first turn 6.9% in ti 0.069 and times it by W which is 55,000 and that well give you the answer

the treaty of brest-litovsk was a peace treaty signed on 3 march 1918 between the new bolshevik government of russia and the central powers (german empire, austria-hungary, bulgaria, and the ottoman empire), that ended russia's participation in world war i.