If you take the flour mixture and put it in an oven for about 20 minutes, it turns into something very tasty. what kind of change has happened now? a. chemical b. physical c. shape change d. particle change

What was the main cause of the russian revolution? a. the protests against the war with poland b. the tremendous war losses of world war 1 c. the protests against the treaty of brest- litovsk d. the losses dictated by the treaty of versailles