Chapter 5 and 6 Flashcards
1
Q
How is relative dating different from absolute dating?
A
Relative dating: indirect method; uses clues based on surroundings and sediments
Absolute: using isotopes or uranium and internal composition to get an absolute date
2
Q
What is carbon 14 dating?
A
finding an absolute date by comparing proportion of carbon 14 to carbon 12
3
Q
What time periods is carbon 14 dating useful for?
A
30,000 years ago to now
4
Q
How has our ability to modify/impact the natural environment changed over the past few hundred years?
A
We impact the environment more than we used to be able to due to industrialization