Fysik og astronomi
uranium isotopes
100%
oceans
68%
pyrites
43%
anoxia
40%
carbon
31%
carbonates
17%
uranium
15%
sulfur
14%
isotopes
13%
nutrients
10%
oxygen
9%
water
8%
recycling
8%
sulfates
8%
spikes
7%
rocks
7%
depletion
6%
extinction
6%
intervals
5%
atmospheres
5%
expansion
4%
Geo- og miljøvidenskab
uranium isotope
89%
ocean
36%
organic carbon
30%
pyrite
27%
anoxia
27%
sulfur
11%
oxygen
10%
trilobite
9%
carbonate rock
7%
primary production
7%
uranium
6%
residence time
6%
extinction
6%
Paleozoic
6%
water column
6%
recycling
6%
isotope
5%
timescale
5%
sulfate
5%
carbonate
5%
nutrient
5%
atmosphere
4%
carbon
4%
removal
4%
modeling
3%
water
2%
Kemiske forbindelser
Organic Carbon
68%
Pyrite
60%
Isotope
54%
Carbonate
19%
Nutrient
13%
Residence Time
13%
Dioxygen
12%
Recycling
11%
Sulfate
9%
Column Like Crystal
7%
Carbon Atom
5%
Time
4%