Flashcards in Notes Deck (20):
0
Radioactive dating goes with
Absolute age
1
Law of superstition goes with p
Relative age
2
What part I organisms become fossils
Hard
3
Molds and cast can preserve
Fine details
4
Older rocks have fossils of Organisms
Simpler
5
Fossils can help figure out the blank of an area
Climate
6
A fault is blank them the rock it fell through
Younger
7
To determine relative age if a rock they find the relative age of the blank layer cut by the fault
Youngest
8
Index fossils tell the blank of the rock layers in which they occur
Relative age
9
Motion along faults. An change how rock layers blank
Line up
10
Blank cause unconformitys
Erosion
11
When organisms die what is released
Carbon 14
12
Most rocks don't contain blank
Oxygen
13
Earth formed from blank blank and blank left over from the sun
Ice dust rock
14
Few fossils survived what time
Precbrian (88 percent of earths history)
15
Blank blank and blank have reshaped earths surface
Weathering erosion and plant tectonics
16
4.6 billion years ago earth had little blank
Oxygen
17
The first use of oxygen came from the first organisms that could use energy from blank
Sunlight
18
Pangaea climate was
Hot and dry
19