A line segment on a graph would be any line that isn't continuous. It would have dots on the ends instead of arrows. Is that what you're asking?
Reptile scales are made of alpha and beta keratin and are formed from the epidermis
A state is in a country, a country is in a continent. The main difference is size. a state can be really populated, but a country is more populated. a continent is even more populated then that. Hope this helps
<span>Supposedly at Jamestown but there are lots of theories about Norsemen (Vikings) travelling there in the 9th and 10th centuries and establishing settlements in Nova Scotia
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Jupiter and Saturn are the 2 biggest planets in our solar system but there are millions on planets that are bigger.
