One positive effect of devolution is that it helps maintain a cohesive state. This means that it helps the state remained unified.
Answer:
Non-bird dinosaurs lived between about 245 and 66 million years ago, in a time known as the Mesozoic Era.
hope this helps <3
well luckily for you I live in Alaska and it is the Yukon River
I think it is <span>Eurasia</span>