What is difference between modern industry and pre modern

Rectangle qrst is shown. angle qrt is congruent to angle str, and angle str is complementary to angle qtr. which statement is true about angles qrt and qtr? they are congruent. they are complementary. they are supplementary. they are right angle

True or false. epeirogenic changes deform the crust.

The senate rejected the treaty of versailles mainly because it included the united nations the league of nations an agreement with france an agreement with germany