They give us informations about our ancestors and how did they live and what did they do and than compare it to present way's of life.
Answer:
THE ANSWER IS TRUE QUICK!!!!!!
1. geologic time
2. stratum
You could have just googled these...
Answer:
http://liberalsenateforum.ca/issue/canada-in-the-world/
The Atlantic Ocean lies between North America South America Europe and Africa
