Why are there so many big cities located at the banks of a river

The diagram below shows an ornithiscian dinosaur, an ancient bird called archaeopteryx, and the modern day bird. based on the diagram, which of these statements is most likely correct? (2 points) modern day birds have evolved from dinosaurs. archaeopteryx has evolved from modern day birds. ornithiscian dinosaurs had evolved from modern day birds. ornithiscian dinosaurs had evolved from the archaeopteryx.

Why have the countries of the region had difficulty establishing democratic governments in recent years? choose all answers that are correct b is also correct i need to know if theres any morecommunists have overtaken the countries of the caucasus region. the soviets established national borders in the region without considering the location of ethnic groups. fighting continues between armenia and azerbaijan over the nagorno-karabakh region. civil war between communists and islamic groups in tajikistan resulted in thousands of deaths and refugees are forced to flee. in a test!

Which of the following is an example of an outdated theory based on the consensus of the scientific community ? a. big bangb. geocentric solar systemc. heliocentric theoryd. plate tectonics answer : geocentric solar system