Explain how relative dating works
In the field of archeology, the term "absolute" is somewhat misleading.
Chronometric or calendar dating is a better choice.
With the passing of time, new strata form over them.
Find out how to be ready if the big one's coming.
It has added many entertainment features to its applications.
Blackberry is designed basically for corporate people, especially made to make communication easier.
The sleek Apple i Phones created a revolution in the mobile phone industry.
It changed the way people used to think about mobile phones.
Both phones are targeting different market segment. Which one you want to choose depends on your needs and what you are looking for in a phone.