Answer: See explanation.
Explanation:
Because Astronomers have well-tested theoretical models that explain how a star evolves over the course of its life as well as well-tested theoretical models that explain how a star evolves over the course of its life.
Saturn is the most similar
Answer:
The type of rock can tell you if the land was formed by layers of sediment, lava, etc. Fossils can show how old they are and therefore how old the land around it is
Explanation:
Answer:
Crystal size
Explanation:
The most obvious difference between extrusive rocks and intrusive rocks is crystal size. Because extrusive rocks cool quickly, they only have time to form very small crystals such as basalt or none at all. On the other hand, intrusive rocks grow larger crystals because they take longer to cool.
Answer:
Ethiopia is most densely populated in the highlands where most people live as farmers. In the 1980s, the Socialist regime made unsuccessful attempts to forcibly relocate people away from the civil war and gather the people in new villages. Ethnically, the population is very mixed and hundreds of different languages are spoken.
More and more Ethiopians are seeking refuge in the cities today than ever before. The biggest reason why more and more Ethiopians are moving to the cities is that wages are higher there than in the countryside and that there are more jobs to choose from (in the countryside it is mostly agriculture). Despite that, only 20% of the population lives in cities and other urban areas.
