Spectral lines are of particular importance in astronomy because

How are plants alike and different from their parents

Russia is to the east if germany ? true or false

England is a small country. why is english spoken in so many places worldwide? a. england colonized many places throughout the globe. b. the english language is the easiest language to learn. c. england is located near the prime meridian, making it a popular tourist destination. d. because england is an island nation, it has had many visitors.