Which of the following Greek inventions improved irrigation? A. Archimedes' screw

B. Ptolemy's geocentric structure

C. Euclid's geometry

D. Aristarchus's heliocentricity

the greek invention that improved irrigation was the Archimedes' crew

The answer should be A. Archimedes' screw correct me if I'm wrong.

Explanation:

the doctrine of nullification recommended that states living inside the union have the one-sided, inalienable ideal to void any law made by the national government that could be esteemed illegal.

the united states was shaped based on a general agreement among its individual states. hence, it is inferred that under the hypothesis of invalidation, since the states are the establishment of the union, they have the ability to referee and disprove unlawful laws.

b) they want the land taken away from the wealthy landowners and given to peasants.